Upgrade matrix-js-sdk to 8.3.0

package.json

@@ -60,7 +60,7 @@
     "gfm.css": "^1.1.2",
     "highlight.js": "^9.13.1",
     "jsrsasign": "^9.1.5",
-    "matrix-js-sdk": "8.3.0-rc.1",
+    "matrix-js-sdk": "8.3.0",
     "matrix-react-sdk": "3.4.0-rc.1",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz",
     "prop-types": "^15.7.2",

yarn.lock

@@ -7308,6 +7308,21 @@ mathml-tag-names@^2.1.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
+matrix-js-sdk@8.3.0:
+  version "8.3.0"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-8.3.0.tgz#a57a6d071619c24b6e8501ae21fa4d21f6bbd052"
+  integrity sha512-ndKedUtZt72/4KWjlMevNwNDGfhPTOn/i4U6Iv1ZEfm7uZfbp5u3hVIyr8tyOiVuvMIxmcTajRdwSlRsNtYFkA==
+  dependencies:
+    "@babel/runtime" "^7.8.3"
+    another-json "^0.2.0"
+    browser-request "^0.3.3"
+    bs58 "^4.0.1"
+    content-type "^1.0.2"
+    loglevel "^1.6.4"
+    qs "^6.5.2"
+    request "^2.88.0"
+    unhomoglyph "^1.0.2"
+
 matrix-js-sdk@8.3.0-rc.1:
   version "8.3.0-rc.1"
   resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-8.3.0-rc.1.tgz#19546de4bb9476e52e1e2761db54a9f138510f49"