Use specific old build for ALPN testing (#9319)

Author: yschimke

.github/workflows/build.yml

@@ -138,7 +138,7 @@ jobs:
       - name: Install Old JDK 8
         uses: actions/setup-java@v5
         with:
-          distribution: 'temurin'
+          distribution: 'zulu'
           java-version: 8.0.242
 
       - name: Configure JDK