chore(deps): bump debounce from 1.2.1 to 2.1.1

Bumps [debounce](https://github.com/sindresorhus/debounce) from 1.2.1 to 2.1.1.
- [Release notes](https://github.com/sindresorhus/debounce/releases)
- [Commits](sindresorhus/debounce@1.2.1...v2.1.1)

---
updated-dependencies:
- dependency-name: debounce
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -63,7 +63,7 @@
     "addons-linter": "7.0.0",
     "camelcase": "8.0.0",
     "chrome-launcher": "1.1.2",
-    "debounce": "1.2.1",
+    "debounce": "2.1.1",
     "decamelize": "6.0.0",
     "es6-error": "4.1.1",
     "firefox-profile": "4.7.0",