Build(deps): Bump ember-this-fallback from 0.3.1 to 0.4.0 in /app/assets/javascripts (#23959)

* Build(deps): Bump ember-this-fallback in /app/assets/javascripts

Bumps [ember-this-fallback](https://github.com/tildeio/ember-this-fallback) from 0.3.1 to 0.4.0.
- [Release notes](https://github.com/tildeio/ember-this-fallback/releases)
- [Changelog](https://github.com/tildeio/ember-this-fallback/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tildeio/ember-this-fallback/commits)

---
updated-dependencies:
- dependency-name: ember-this-fallback
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* Remove stale patch

* Update patch filenames

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: David Taylor <david@taylorhq.com>

app/assets/javascripts/discourse-plugins/package.json

@@ -14,7 +14,7 @@
     "ember-cli-babel": "^8.2.0",
     "ember-cli-htmlbars": "^6.3.0",
     "ember-template-imports": "^3.4.2",
-    "ember-this-fallback": "^0.3.1"
+    "ember-this-fallback": "^0.4.0"
   },
   "devDependencies": {
     "@babel/core": "^7.23.2",