build(deps): bump lxml from 4.3.3 to 4.6.2

Bumps [lxml](https://github.com/lxml/lxml) from 4.3.3 to 4.6.2.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](https://github.com/lxml/lxml/compare/lxml-4.3.3...lxml-4.6.2)

Signed-off-by: dependabot[bot] <support@github.com>

Pipfile.lock

@@ -23,34 +23,46 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:03984196d00670b2ab14ae0ea83d5cc0cfa4f5a42558afa9ab5fa745995328f5",
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-                "sha256:30e14c62d88d1e01a26936ecd1c6e784d4afc9aa002bba4321c5897937112616",
-                "sha256:3210da6f36cf4b835ff1be853962b22cc354d506f493b67a4303c88bbb40d57b",
-                "sha256:40f60819fbd5bad6e191ba1329bfafa09ab7f3f174b3d034d413ef5266963294",
-                "sha256:43b26a865a61549919f8a42e094dfdb62847113cf776d84bd6b60e4e3fc20ea3",
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-                "sha256:62f382cddf3d2e52cf266e161aa522d54fd624b8cc567bc18f573d9d50d40e8e",
-                "sha256:7b98f0325be8450da70aa4a796c4f06852949fe031878b4aa1d6c417a412f314",
-                "sha256:846a0739e595871041385d86d12af4b6999f921359b38affb99cdd6b54219a8f",
-                "sha256:a3080470559938a09a5d0ec558c005282e99ac77bf8211fb7b9a5c66390acd8d",
-                "sha256:ad841b78a476623955da270ab8d207c3c694aa5eba71f4792f65926dc46c6ee8",
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-                "sha256:b4fbf9b552faff54742bcd0791ab1da5863363fb19047e68f6592be1ac2dab33",
-                "sha256:b90c4e32d6ec089d3fa3518436bdf5ce4d902a0787dbd9bb09f37afe8b994317",
-                "sha256:b91cfe4438c741aeff662d413fd2808ac901cc6229c838236840d11de4586d63",
-                "sha256:bdb0593a42070b0a5f138b79b872289ee73c8e25b3f0bea6564e795b55b6bcdd",
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-                "sha256:cec4ab14af9eae8501be3266ff50c3c2aecc017ba1e86c160209bb4f0423df6a",
-                "sha256:e83b4b2bf029f5104bc1227dbb7bf5ace6fd8fabaebffcd4f8106fafc69fc45f",
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-                "sha256:fd213bb5166e46974f113c8228daaef1732abc47cb561ce9c4c8eaed4bd3b09b",
-                "sha256:fdcb57b906dbc1f80666e6290e794ab8fb959a2e17aa5aee1758a85d1da4533f",
-                "sha256:ff424b01d090ffe1947ec7432b07f536912e0300458f9a7f48ea217dd8362b86"
+                "sha256:0448576c148c129594d890265b1a83b9cd76fd1f0a6a04620753d9a6bcfd0a4d",
+                "sha256:127f76864468d6630e1b453d3ffbbd04b024c674f55cf0a30dc2595137892d37",
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+                "sha256:535f067002b0fd1a4e5296a8f1bf88193080ff992a195e66964ef2a6cfec5388",
+                "sha256:5be4a2e212bb6aa045e37f7d48e3e1e4b6fd259882ed5a00786f82e8c37ce77d",
+                "sha256:60a20bfc3bd234d54d49c388950195d23a5583d4108e1a1d47c9eef8d8c042b3",
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+                "sha256:68a5d77e440df94011214b7db907ec8f19e439507a70c958f750c18d88f995d2",
+                "sha256:69a63f83e88138ab7642d8f61418cf3180a4d8cd13995df87725cb8b893e950e",
+                "sha256:6e4183800f16f3679076dfa8abf2db3083919d7e30764a069fb66b2b9eff9939",
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+                "sha256:791394449e98243839fa822a637177dd42a95f4883ad3dec2a0ce6ac99fb0a9d",
+                "sha256:7a7669ff50f41225ca5d6ee0a1ec8413f3a0d8aa2b109f86d540887b7ec0d72a",
+                "sha256:7e9eac1e526386df7c70ef253b792a0a12dd86d833b1d329e038c7a235dfceb5",
+                "sha256:7ee8af0b9f7de635c61cdd5b8534b76c52cd03536f29f51151b377f76e214a1a",
+                "sha256:8246f30ca34dc712ab07e51dc34fea883c00b7ccb0e614651e49da2c49a30711",
+                "sha256:8c88b599e226994ad4db29d93bc149aa1aff3dc3a4355dd5757569ba78632bdf",
+                "sha256:923963e989ffbceaa210ac37afc9b906acebe945d2723e9679b643513837b089",
+                "sha256:94d55bd03d8671686e3f012577d9caa5421a07286dd351dfef64791cf7c6c505",
+                "sha256:97db258793d193c7b62d4e2586c6ed98d51086e93f9a3af2b2034af01450a74b",
+                "sha256:a9d6bc8642e2c67db33f1247a77c53476f3a166e09067c0474facb045756087f",
+                "sha256:cd11c7e8d21af997ee8079037fff88f16fda188a9776eb4b81c7e4c9c0a7d7fc",
+                "sha256:d8d3d4713f0c28bdc6c806a278d998546e8efc3498949e3ace6e117462ac0a5e",
+                "sha256:e0bfe9bb028974a481410432dbe1b182e8191d5d40382e5b8ff39cdd2e5c5931",
+                "sha256:f4822c0660c3754f1a41a655e37cb4dbbc9be3d35b125a37fab6f82d47674ebc",
+                "sha256:f83d281bb2a6217cd806f4cf0ddded436790e66f393e124dfe9731f6b3fb9afe",
+                "sha256:fc37870d6716b137e80d19241d0e2cff7a7643b925dfa49b4c8ebd1295eb506e"
             ],
-            "version": "==4.3.3"
+            "index": "pypi",
+            "version": "==4.6.2"
         },
         "maec": {
             "hashes": [
@@ -70,10 +82,9 @@
         },
         "ordered-set": {
             "hashes": [
-                "sha256:41c7ba85e7619cd4c71e38d4cd434f84de8473b826919eb79274b3a11b940b4d",
-                "sha256:f9b703ea9aa9c1db44412c5ba1c16cf8b7ad7ef37a685e4da2fd3754b40f8f6a"
+                "sha256:ba93b2df055bca202116ec44b9bead3df33ea63a7d5827ff8e16738b97f33a95"
             ],
-            "version": "==3.1"
+            "version": "==4.0.2"
         },
         "pydeep": {
             "git": "https://github.com/kbandla/pydeep.git",
@@ -88,17 +99,17 @@
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:7e6584c74aeed623791615e26efd690f29817a27c73085b78e4bad02493df2fb",
-                "sha256:c89805f6f4d64db21ed966fda138f8a5ed7a4fdbc1a8ee329ce1b74e3c74da9e"
+                "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
+                "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
             ],
-            "version": "==2.8.0"
+            "version": "==2.8.1"
         },
         "six": {
             "hashes": [
-                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
-                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
+                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
+                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "version": "==1.12.0"
+            "version": "==1.15.0"
         },
         "stix": {
             "hashes": [