chore(deps): update mongodb docker tag to v16.5.26

Author: renovate[bot]

applications/librechat/mongodb/app/templates/release.yaml

@@ -24,7 +24,7 @@ spec:
   chart:
     spec:
       chart: mongodb
-      version: 16.5.25
+      version: 16.5.26
       reconcileStrategy: ChartVersion
       sourceRef:
         kind: HelmRepository