chore(deps): Bump shivammathur/setup-php from 2.35.3 to 2.35.4

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.35.3 to 2.35.4.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2052987...ec406be)

---
updated-dependencies:
- dependency-name: shivammathur/setup-php
  dependency-version: 2.35.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/openapi.yml

@@ -20,7 +20,7 @@ jobs:
           submodules: true
 
       - name: Set up php
-        uses: shivammathur/setup-php@20529878ed81ef8e78ddf08b480401e6101a850f # v2
+        uses: shivammathur/setup-php@ec406be512d7077f68eed36e63f4d91bc006edc4 # v2
         with:
           php-version: '8.1'
           # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation