chore: psalm php-version auto-detect (#433)

Signed-off-by: Jan Kowalleck <[email protected]>

Author: jkowalleck

.github/workflows/php.yml

@@ -196,7 +196,6 @@ jobs:
       - name: Run Psalm tests
         run: >
           php tools/psalm/vendor/vimeo/psalm/psalm
-          --php-version=${{ matrix.php }}
           --no-diff
           --no-cache
           --long-progress