build(deps): bump argoproj/argocd from v2.6.12 to v2.6.14 in /packaging

Bumps argoproj/argocd from v2.6.12 to v2.6.14.

---
updated-dependencies:
- dependency-name: argoproj/argocd
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

packaging/Dockerfile

@@ -5,7 +5,7 @@ ARG TARGETARCH
 
 RUN curl -k --location https://github.com/vmware-tanzu/carvel-ytt/releases/download/v0.45.0/ytt-${TARGETOS}-${TARGETARCH} -o /tmp/ytt
 
-FROM argoproj/argocd:v2.6.12
+FROM argoproj/argocd:v2.6.14
 USER root
 
 COPY --from=ytt-download /tmp/ytt /usr/local/bin/ytt