chore(deps): update container image n8nio/n8n to v2.26.3 (#4271)

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

Author: renovate[bot]

Helm/apps/n8n/values.yaml

@@ -1,6 +1,6 @@
 ---
 n8n:
-  image: n8nio/n8n:2.26.2
+  image: n8nio/n8n:2.26.3
   dataSize: 10Gi
   port: 5678
   replicas: 1