Use fully qualified URL for setup-java action

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Java
-        uses: actions/setup-java@v4
+        uses: https://github.com/actions/setup-java@v4
         with:
           distribution: temurin
           java-version: ${{ matrix.java }}