ci(32bit): fix failing test setup

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

.github/workflows/phpunit-32bits.yml

@@ -40,7 +40,7 @@ jobs:
           sudo apt-get install -y ffmpeg imagemagick libmagickcore-6.q16-3-extra
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@c5fc0d8281aba02c7fda07d3a70cc5371548067d #v2.25.2
+        uses: shivammathur/setup-php@9c77701ae57b0c47f6732beebfbdec76e4e5c90a #debian bookworm fix
         with:
           php-version: ${{ matrix.php-versions }}
           extensions: ctype, curl, dom, fileinfo, gd, imagick, intl, json, mbstring, openssl, pdo_sqlite, posix, sqlite, xml, zip, apcu