fix(container): update image syncthing/syncthing to v2.0.12

Author: renovate[bot]

kubernetes/apps/default/syncthing/app/helmrelease.yaml

@@ -30,7 +30,7 @@ spec:
           syncthing:
             image:
               repository: syncthing/syncthing
-              tag: 2.0.10@sha256:3faeb52baa7de3fbe7007cecc6829a4bc71cc6ac62d3967459a8228979c38943
+              tag: 2.0.12@sha256:7ae77d066e9b81d3d8c312b2f9e1a874a5115680bfde90aff5fc9aece694ec93
             env:
               PUID: "1000"
               PGID: "1000"