Bump typescript from 4.0.5 to 4.1.2 (#3070)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.0.5 to 4.1.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.0.5...v4.1.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package-lock.json

@@ -76,7 +76,7 @@
     "rewire": "~5.0.0",
     "sinon": "~9.2.1",
     "tslint": "~6.1.3",
-    "typescript": "~4.0.5",
+    "typescript": "~4.1.2",
     "vsce": "~1.81.1",
     "vscode-test": "~1.4.0",
     "vscode-dts": "~0.3.1"