chore: set minimum phpVersion for psalm

Signed-off-by: grnd-alt <github@belakkaf.net>

.github/workflows/psalm.yml

@@ -35,10 +35,10 @@ jobs:
       - name: Check enforcement of minimum PHP version ${{ steps.versions.outputs.php-min }} in psalm.xml
         run: grep 'phpVersion="${{ steps.versions.outputs.php-min }}' psalm.xml
 
-      - name: Set up php${{ steps.versions.outputs.php-available }}
+      - name: Set up php${{ steps.versions.outputs.php-min }}
         uses: shivammathur/setup-php@9e72090525849c5e82e596468b86eb55e9cc5401 # v2.32.0
         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

psalm.xml

@@ -6,6 +6,7 @@
 		xmlns="https://getpsalm.org/schema/config"
 		xsi:schemaLocation="https://getpsalm.org/schema/config"
 		errorBaseline="tests/psalm-baseline.xml"
+    	phpVersion="8.1"
 >
 	<stubs>
 		<file name="tests/stub.phpstub" preloadClasses="true"/>