Update quay.io/argoproj/argocd Docker tag to v2.14.15 (#64)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

apps/argocd/kustomization.yaml

@@ -16,7 +16,7 @@ resources:
 namespace: argocd
 images:
 - name: quay.io/argoproj/argocd
-  newTag: v2.14.14
+  newTag: v2.14.15
 patches:
 - patch: |-
     - op: replace