Bump preactjs/compressed-size-action from 2.5.0 to 2.6.0 (#16237)

Bumps [preactjs/compressed-size-action](https://github.com/preactjs/compressed-size-action) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/preactjs/compressed-size-action/releases)
- [Commits](preactjs/compressed-size-action@2.5.0...2.6.0)

---
updated-dependencies:
- dependency-name: preactjs/compressed-size-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/check-sizes.yml

@@ -25,7 +25,7 @@ jobs:
           cache: "yarn"
 
       - name: Check Sizes
-        uses: preactjs/compressed-size-action@2.5.0
+        uses: preactjs/compressed-size-action@2.6.0
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           pattern: "./dist/**/*"