enh(ci): trigger scheduled builds on maintenance branches weekly

.github/workflows/centreon-collect.yml

@@ -88,17 +88,24 @@ on:
 
 jobs:
   dispatch-to-maintained-branches:
-    if: ${{ github.event_name == 'schedule' && github.ref_name == 'develop' }}
+    if: ${{ github.run_attempt == 1 && github.event_name == 'schedule' && github.ref_name == 'develop' }}
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout sources
         uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
-      - run: |
-          gh workflow run robot-nightly.yml -r "dev-24.04.x"
-          gh workflow run robot-nightly.yml -r "dev-23.10.x"
-          gh workflow run robot-nightly.yml -r "dev-23.04.x"
-          gh workflow run robot-nightly.yml -r "dev-22.10.x"
+      - name: Check current day of the week
+        id: day_check
+        run: echo "day_of_week=$(date +%u)" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - if: ${{ steps.day_check.outputs.day_of_week == '1' }}
+        run: |
+          NIGHTLY_TARGETS=("dev-22.10.x" "dev-23.04.x" "dev-23.10.x" "dev-24.04.x" "dev-24.10.x")
+          for target in "${NIGHTLY_TARGETS[@]}"; do
+            echo "[INFO] - Dispatching nightly run to $target branch."
+            gh workflow run centreon-collect.yml -r "$target" -f is_nightly=true
+          done
         shell: bash
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}