jclouds requires Java 11

Author: gaul

.github/workflows/ci.yaml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-java@v3
         with:
-          java-version: "8"
+          java-version: "11"
           distribution: temurin
           cache: maven
       - name: Build