Relax action's maven repo to libs-milestone

.github/workflows/build-snapshot-worker.yml

@@ -40,7 +40,7 @@ jobs:
         jfrog rt mvnc \
           --server-id-resolve=repo.spring.io \
           --server-id-deploy=repo.spring.io \
-          --repo-resolve-releases=libs-release \
+          --repo-resolve-releases=libs-milestone \
           --repo-resolve-snapshots=libs-snapshot \
           --repo-deploy-releases=release \
           --repo-deploy-snapshots=snapshot

.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
         jfrog rt mvnc \
           --server-id-resolve=repo.spring.io \
           --server-id-deploy=repo.spring.io \
-          --repo-resolve-releases=libs-release \
+          --repo-resolve-releases=libs-milestone \
           --repo-resolve-snapshots=libs-snapshot \
           --repo-deploy-releases=release \
           --repo-deploy-snapshots=snapshot