Upgrade matrix-js-sdk to 8.4.1

package.json

@@ -78,7 +78,7 @@
     "is-ip": "^2.0.0",
     "linkifyjs": "^2.1.9",
     "lodash": "^4.17.19",
-    "matrix-js-sdk": "8.4.0",
+    "matrix-js-sdk": "8.4.1",
     "minimist": "^1.2.5",
     "pako": "^1.0.11",
     "parse5": "^5.1.1",

yarn.lock

@@ -5919,10 +5919,10 @@ mathml-tag-names@^2.0.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
-matrix-js-sdk@8.4.0:
-  version "8.4.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-8.4.0.tgz#40c42c7d6800ebec30722d7ce8f0a324bd519208"
-  integrity sha512-znXzcDfRQazoQpUkDKCuGB5T/uIm+lJaVa1a2xDUB5xuPJgBcAYpdWJRQBxDZ50s2GhUy81+lsmuZK9BC4fLqQ==
+matrix-js-sdk@8.4.1:
+  version "8.4.1"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-8.4.1.tgz#4e7e8bf8d5f6d8362aef68bed8e0d2f03f262194"
+  integrity sha512-AfA2y/dt10ysXKzngwqzajzxTL0Xq8lW5bBr0mq21JUKndBP1f1AOOiIkX5nLA9IZGzVoe0anKV+cU2aGWcdkw==
   dependencies:
     "@babel/runtime" "^7.8.3"
     another-json "^0.2.0"