ci(lint-php-cs): install minium supported php version

Signed-off-by: Richard Steinmetz <richard@steinmetz.cloud>

.github/workflows/lint-php-cs.yml

@@ -31,10 +31,10 @@ jobs:
         id: versions
         uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
 
-      - name: Set up php${{ steps.versions.outputs.php-available }}
+      - name: Set up php${{ steps.versions.outputs.php-min }}
         uses: shivammathur/setup-php@fc14643b0a99ee9db10a3c025a33d76544fa3761 # v2
         with:
-          php-version: ${{ steps.versions.outputs.php-available }}
+          php-version: ${{ steps.versions.outputs.php-min }}
           extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
           coverage: none
           ini-file: development