Try this

Author: jrfnl

.github/workflows/test.yml

@@ -333,7 +333,7 @@ jobs:
           elif [ "${{ startsWith( steps.phpunit_version.outputs.VERSION, '10.' ) }}" == "true" ]; then
             echo 'FILE=phpunit.xml.dist' >> "$GITHUB_OUTPUT"
             echo 'WARM_CACHE=true' >> "$GITHUB_OUTPUT"
-          elif [ "${{ startsWith( steps.phpunit_version.outputs.VERSION, '9.5' ) }}" == "true" ]; then
+          elif [ "${{ steps.phpunit_version.outputs.VERSION >= '9.3' }}" == "true" ]; then
             echo 'FILE=phpunit-lte9.xml.dist' >> "$GITHUB_OUTPUT"
             echo 'WARM_CACHE=true' >> "$GITHUB_OUTPUT"
           else
@@ -351,8 +351,8 @@ jobs:
       - name: "Warm the PHPUnit cache (PHPUnit 9.3+)"
         if: ${{ steps.phpunit_config.outputs.WARM_CACHE == 'true' }}
         run: >
-          php "vendor/bin/phpunit" -c ${{ steps.phpunit_config.outputs.FILE }}
-          --coverage-cache ./build/phpunit-cache --warm-coverage-cache
+          php "vendor/bin/phpunit" -c ${{ steps.phpunit_config.outputs.FILE }} --warm-coverage-cache
+          ${{ steps.phpunit_version.outputs.VERSION >= '9.3' && '--coverage-cache ./build/phpunit-cache' || '' }}
 
       - name: "Run the unit tests with code coverage"
         if: ${{ matrix.os != 'windows-latest' }}