docs: fix formatting in README for code block

TartanLeGrand · TartanLeGrand · commit d31782be432c · 2025-06-16T16:05:25.000+02:00
diff --git a/java-build/README.md b/java-build/README.md
@@ -153,4 +153,4 @@ jobs:
       upload-artifacts: true
       artifacts-name: 'my-java-app'
       artifacts-path: 'custom/path/to/artifacts'
-```
+```
