Bump sinon from 9.0.2 to 9.0.3 (#2890)

Bumps [sinon](https://github.com/sinonjs/sinon) from 9.0.2 to 9.0.3.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/master/CHANGELOG.md)
- [Commits](sinonjs/sinon@v9.0.2...v9.0.3)

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

@@ -71,7 +71,7 @@
     "mocha-multi-reporters": "~1.1.7",
     "mock-fs": "~4.12.0",
     "rewire": "~5.0.0",
-    "sinon": "~9.0.2",
+    "sinon": "~9.0.3",
     "tslint": "~6.1.3",
     "typescript": "~4.0.2",
     "vsce": "~1.79.2",