chore(deps): bump preactjs/compressed-size-action from 2.5.0 to 2.6.0

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@8119d3d...f780fd1)

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

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

.github/workflows/pr-playground.yml

@@ -80,7 +80,7 @@ jobs:
           node --version
 
       - name: Check UMD files size diff
-        uses: preactjs/compressed-size-action@8119d3d31b6e57b167e09c81dfa877eada3bcb35 #v2.5.0
+        uses: preactjs/compressed-size-action@f780fd104362cfce9e118f9198df2ee37d12946c #v2.6.0
         if: github.ref != 'refs/heads/master'
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"