ci: fix artifact name (#158)

Author: simPod

.github/workflows/ci.yml

@@ -47,7 +47,7 @@ jobs:
       - name: "Upload coverage file"
         uses: actions/upload-artifact@v3
         with:
-          name: "phpunit-${{ matrix.deps }}-${{ matrix.php-version }}.coverage"
+          name: "phpunit-${{ matrix.dependencies }}-${{ matrix.php-version }}.coverage"
           path: "coverage.xml"
 
   upload_coverage: