chore(deps-dev): bump typescript from 3.9.2 to 3.9.7 in /cast-receiver

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.9.2 to 3.9.7.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v3.9.2...v3.9.7)

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

cast-receiver/package.json

@@ -33,7 +33,7 @@
     "parcel-plugin-svg-sprite": "^1.4.1",
     "prettier": "^2.0.5",
     "sass": "^1.26.5",
-    "typescript": "^3.8.3"
+    "typescript": "^3.9.7"
   },
   "dependencies": {
     "howler": "^2.1.3",

cast-receiver/yarn.lock

@@ -7962,10 +7962,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.8.3:
-  version "3.9.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.2.tgz#64e9c8e9be6ea583c54607677dd4680a1cf35db9"
-  integrity sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==
+typescript@^3.9.7:
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
+  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
 
 uncss@^0.17.2:
   version "0.17.3"