tryout ssh instead of https

Author: Benjosh95

scripts/generate-sdk/languages/java.sh

@@ -42,7 +42,7 @@ generate_java_sdk() {
 
     if [[ -z ${SDK_REPO_URL} ]]; then
         echo "SDK_REPO_URL not specified, default will be used."
-        SDK_REPO_URL="https://github.com/stackitcloud/stackit-sdk-java.git"
+        SDK_REPO_URL="git@github.com:stackitcloud/stackit-sdk-java.git"
     fi
 
     # Prepare folders