Bump typescript from 4.1.5 to 4.2.2

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.1.5 to 4.2.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/commits)

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

package-lock.json

@@ -13243,9 +13243,9 @@
             "dev": true
         },
         "typescript": {
-            "version": "4.1.5",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
-            "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA==",
+            "version": "4.2.2",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.2.tgz",
+            "integrity": "sha512-tbb+NVrLfnsJy3M59lsDgrzWIflR4d4TIUjz+heUnHZwdF7YsrMTKoRERiIvI2lvBG95dfpLxB21WZhys1bgaQ==",
             "dev": true
         },
         "umd": {

package.json

@@ -74,7 +74,7 @@
         "sass": "^1.32.8",
         "terser": "^5.6.0",
         "tsify": "^5.0.2",
-        "typescript": "^4.1.5",
+        "typescript": "^4.2.2",
         "vinyl-buffer": "^1.0.1",
         "vinyl-source-stream": "^2.0.0",
         "web-ext-types": "^3.2.1"