Use GARM

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

Author: tobiasKaminsky

.github/workflows/garm.yml

@@ -44,11 +44,11 @@ jobs:
                     docker exec --user www-data server /tmp/configNC.sh ${{ matrix.server }}
                     docker exec server /usr/local/bin/run.sh
 
-            -   name: set up JDK 17
+            -   name: set up JDK 21
                 uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v4.5.0
                 with:
                     distribution: "temurin"
-                    java-version: 17
+                    java-version: 21
 
             -   name: Enable KVM group perms
                 run: |