Bump sinon from 9.0.2 to 9.0.3

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>

package.json

@@ -73,7 +73,7 @@
     "jsdoc-to-markdown": "^3.1.0-1",
     "nyc": "13.3.0",
     "prettier": "^2.0.5",
-    "sinon": "9.0.2",
+    "sinon": "9.0.3",
     "typescript": "^3.9.5"
   },
   "dependencies": {