chore(deps): update ghcr.io/fatedier/frps docker tag to v0.68.0 (#1312)

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

Author: renovate[bot]

off-cluster/fast-reverse-proxy/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   frp:
-    image: ghcr.io/fatedier/frps:v0.67.0
+    image: ghcr.io/fatedier/frps:v0.68.0
     restart: always
     command: ['-c', '/etc/frps.toml']
     ports: