Upgrade matrix-js-sdk to 19.4.0-rc.1

package.json

@@ -61,7 +61,7 @@
     "gfm.css": "^1.1.2",
     "jsrsasign": "^10.5.25",
     "katex": "^0.12.0",
-    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
+    "matrix-js-sdk": "19.4.0-rc.1",
     "matrix-react-sdk": "github:matrix-org/matrix-react-sdk#develop",
     "matrix-widget-api": "^1.0.0",
     "prop-types": "^15.7.2",

yarn.lock

@@ -7961,6 +7961,23 @@ matrix-events-sdk@^0.0.1-beta.7:
   resolved "https://registry.yarnpkg.com/matrix-events-sdk/-/matrix-events-sdk-0.0.1-beta.7.tgz#5ffe45eba1f67cc8d7c2377736c728b322524934"
   integrity sha512-9jl4wtWanUFSy2sr2lCjErN/oC8KTAtaeaozJtrgot1JiQcEI4Rda9OLgQ7nLKaqb4Z/QUx/fR3XpDzm5Jy1JA==
 
+matrix-js-sdk@19.4.0-rc.1:
+  version "19.4.0-rc.1"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-19.4.0-rc.1.tgz#3116d6ad4d09d934aae5c40f968b44bfe472def8"
+  integrity sha512-Hl6MvaUgqD5SMhbAtUk/3c+1yEBby0HYv6ddmB7LYOK2cBm0dncRPsdJ2o/iXFNKH5KpJlSCKwZtoRHZqIHucQ==
+  dependencies:
+    "@babel/runtime" "^7.12.5"
+    another-json "^0.2.0"
+    browser-request "^0.3.3"
+    bs58 "^5.0.0"
+    content-type "^1.0.4"
+    loglevel "^1.7.1"
+    matrix-events-sdk "^0.0.1-beta.7"
+    p-retry "4"
+    qs "^6.9.6"
+    request "^2.88.2"
+    unhomoglyph "^1.0.6"
+
 "matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
   version "19.3.0"
   resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/566b4ba56c587578fcf4f32af003528291c77365"