chore(deps): update quay.io/oauth2-proxy/oauth2-proxy docker tag to v7.7.1

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

Author: renovate[bot]

gitops/fluxcd/kubernetes/overlays/k3s/homelab/identity/oauth2-proxy/oauth2-proxy.yaml

@@ -24,7 +24,7 @@ spec:
   values:
     image:
       repository: quay.io/oauth2-proxy/oauth2-proxy
-      tag: v7.3.0-arm64
+      tag: v7.7.1-arm64
     resources:
       limits:
         # cpu: 200m