Updated olm -> v3.2.8, matrix-js-sdk -> v15.2.1

Signed-off-by: Ajay Bura <ajbura@gmail.com>

package.json

@@ -15,7 +15,7 @@
   "author": "Ajay Bura",
   "license": "MIT",
   "dependencies": {
-    "@matrix-org/olm": "https://gitlab.matrix.org/api/v4/projects/27/packages/npm/@matrix-org/olm/-/@matrix-org/olm-3.2.7.tgz",
+    "@matrix-org/olm": "https://gitlab.matrix.org/api/v4/projects/27/packages/npm/@matrix-org/olm/-/@matrix-org/olm-3.2.8.tgz",
     "@tippyjs/react": "^4.2.5",
     "babel-polyfill": "^6.26.0",
     "browser-encrypt-attachment": "^0.3.0",
@@ -26,7 +26,7 @@
     "formik": "^2.2.9",
     "html-react-parser": "^1.2.7",
     "linkifyjs": "^2.1.9",
-    "matrix-js-sdk": "^12.4.1",
+    "matrix-js-sdk": "^15.2.1",
     "micromark": "^3.0.3",
     "micromark-extension-gfm": "^1.0.0",
     "prop-types": "^15.7.2",