Added job to wait for maven central artefacts

.github/workflows/release.yml

@@ -34,6 +34,8 @@ jobs:
   prepare_release:
     name: "Changelog and Version Bump"
     runs-on: ubuntu-latest
+    #TODO: disabled for now
+    if: false
     steps:
       - uses: actions/checkout@v3
         #TODO: Use apmmachine + setup authorization (SSH?)
@@ -57,3 +59,17 @@ jobs:
       - name: Bump version and add git tag
         run: ./mvnw release:prepare -B -DpushChanges=false "-Darguments=-DskipTests -Dmaven.javadoc.skip=true" -DreleaseVersion=${{ inputs.version }}
       - run: git push --atomic origin ${{ inputs.branch }} v${{ inputs.version }}
+
+
+  await_artifact_on_maven_central:
+    name: "Wait for artifacts to be available on maven central"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - shell: bash
+        run: |
+          until .ci/release/wait_maven_artifact_published.sh ${{ inputs.version }}
+          do
+            echo "Artifacts not found on maven central. Sleeping 10 seconds, retrying afterwards"
+            sleep 10s
+          done