feat: Add konflux-kargo-bot ability to automerge kargo app in stage

Signed-off-by: flacatus <flacatus@redhat.com>

Author: flacatus

components/kargo/OWNERS

@@ -5,3 +5,9 @@ approvers:
 - psturc
 - p8r-the-gr8
 - flacatus
+
+reviewers:
+
+- psturc
+- p8r-the-gr8
+- flacatus

components/kargo/internal-production/projects/kargo-infra-common/base/stage-ring-1-staging.yaml

@@ -81,18 +81,20 @@ spec:
               - staging
               - automated-promotion
               - component/${{ vars.component }}
-        - uses: git-wait-for-pr
+        - uses: git-merge-pr
           if: ${{ status('open-pr') != 'Errored' }}
-          as: wait-for-pr
+          as: merge-pr
           config:
             repoURL: ${{ vars.repoURL }}
             prNumber: ${{ outputs['open-pr'].pr.id }}
+            wait: true
         - uses: argocd-update
+          if: ${{ status('open-pr') != 'Errored' }}
           as: argocd-update
           config:
             apps:
               - name: ${{ vars.component }}-in-cluster
                 namespace: argocd-local
                 sources:
                   - repoURL: ${{ vars.repoURL }}
-                    desiredRevision: ${{ outputs['wait-for-pr'].commit }}
+                    desiredRevision: ${{ outputs['merge-pr'].commit }}

components/kargo/internal-production/projects/kargo-infra-common/base/stage-ring-2-production.yaml

@@ -78,6 +78,7 @@ spec:
             repoURL: ${{ vars.repoURL }}
             prNumber: ${{ outputs['open-pr'].pr.id }}
         - uses: argocd-update
+          if: ${{ status('open-pr') != 'Errored' }}
           as: argocd-update
           config:
             apps: