Bump tailscale.com from 1.66.1 to 1.66.3 in the gomod group

Bumps the gomod group with 1 update: [tailscale.com](https://github.com/tailscale/tailscale).


Updates `tailscale.com` from 1.66.1 to 1.66.3
- [Release notes](https://github.com/tailscale/tailscale/releases)
- [Commits](tailscale/tailscale@v1.66.1...v1.66.3)

---
updated-dependencies:
- dependency-name: tailscale.com
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gomod
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/prometheus/client_golang v1.19.1
 	github.com/stretchr/testify v1.9.0
 	golang.org/x/exp v0.0.0-20240222234643-814bf88cf225
-	tailscale.com v1.66.1
+	tailscale.com v1.66.3
 )
 
 require (

go.sum

@@ -253,5 +253,5 @@ nhooyr.io/websocket v1.8.10 h1:mv4p+MnGrLDcPlBoWsvPP7XCzTYMXP9F9eIGoKbgx7Q=
 nhooyr.io/websocket v1.8.10/go.mod h1:rN9OFWIUwuxg4fR5tELlYC04bXYowCP9GX47ivo2l+c=
 software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k=
 software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=
-tailscale.com v1.66.1 h1:phrngVEaH9IzP2bDcy8oHmwv4dbbmTzxZsjx836aKlc=
-tailscale.com v1.66.1/go.mod h1:99BIV4U3UPw36Sva04xK2ZsEpVRUkY9jCdEDSAhaNGM=
+tailscale.com v1.66.3 h1:jpWat+hiobTtCosSV/c8D6S/ubgROf/S59MaIBdM9pY=
+tailscale.com v1.66.3/go.mod h1:99BIV4U3UPw36Sva04xK2ZsEpVRUkY9jCdEDSAhaNGM=