Adjust GHAs for back-ports

.github/workflows/backport-issue.yml

@@ -0,0 +1,12 @@
+name: Backport Issue
+
+on:
+  push:
+    branches:
+      - '*.x'
+
+jobs:
+  backport-issue:
+    uses: artembilan/spring-github-workflows/.github/workflows/spring-backport-issue.yml@main
+    secrets:
+      GH_ACTIONS_REPO_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}

.github/workflows/ci-snapshot.yml

@@ -5,6 +5,7 @@ on:
   push:
     branches:
       - main
+      - '*.x'
 
 jobs:
   build-snapshot:

.github/workflows/verify-staged-artifacts.yml

@@ -17,6 +17,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: spring-projects/spring-amqp-samples
+          ref: ${{ github.ref_name }}
           show-progress: false
 
       - name: Set up JDK