Fix deployment version to prevent errors with Lombok in tests

Author: ascopes

.github/workflows/deploy.yml

@@ -40,7 +40,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: zulu
-          java-version: 24
+          java-version: 21
           server-id: central
           server-username: CENTRAL_USERNAME
           server-password: CENTRAL_TOKEN