Update tailscale/tailscale Docker tag to v1.66.3

Author: renovate-bot

tailscale/Dockerfile

@@ -5,7 +5,7 @@
 # https://tailscale.com/kb/1241/tailscale-up
 # https://tailscale.com/kb/1242/tailscale-serve
 # https://tailscale.com/kb/1311/tailscale-funnel
-FROM tailscale/tailscale:v1.64.2@sha256:7ee2ab4b9efadc5a68c92fb4549206eedac240a758f61b5431e39e8c0806930d
+FROM tailscale/tailscale:v1.66.3@sha256:cf8e97667e8be250caaed88694cec0befe11040bbd5a3de3b33086cc52ef4eb1
 
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh