Bump grunt-banana-checker from 0.11.0 to 0.11.1 (#53)

Bumps [grunt-banana-checker](https://github.com/wikimedia/banana-checker) from 0.11.0 to 0.11.1.
- [Release notes](https://github.com/wikimedia/banana-checker/releases)
- [Changelog](https://github.com/wikimedia/banana-checker/blob/master/History.md)
- [Commits](https://github.com/wikimedia/banana-checker/commits)

---
updated-dependencies:
- dependency-name: grunt-banana-checker
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -13,7 +13,7 @@
  },
  "devDependencies": {
  "eslint-config-wikimedia": "0.25.1",
- "grunt-banana-checker": "0.11.0",
+ "grunt-banana-checker": "0.11.1",
  "stylelint-config-idiomatic-order": "9.0.0",
  "stylelint-config-wikimedia": "0.15.0"
  }