Bump sinon from 7.5.0 to 9.0.1

Bumps [sinon](https://github.com/sinonjs/sinon) from 7.5.0 to 9.0.1.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/master/CHANGELOG.md)
- [Commits](sinonjs/sinon@v7.5.0...v9.0.1)

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

package.json

@@ -74,7 +74,7 @@
     "rollup-plugin-serve": "^1.0.1",
     "rollup-plugin-terser": "^5.1.2",
     "rollup-plugin-typescript2": "^0.24.3",
-    "sinon": "^7.5.0",
+    "sinon": "^9.0.1",
     "typescript": "^3.6.4"
   }
 }