deps(ci): bump tailscale/github-action from 3.3.0 to 4.0.2 (#532)

Author: dependabot[bot]

.github/workflows/codecov.yml

@@ -21,7 +21,7 @@ jobs:
 
       - name: Connect to Tailnet
         if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
-        uses: tailscale/github-action@6cae46e2d796f265265cfcf628b72a32b4d7cade #v3.3.0
+        uses: tailscale/github-action@aa604318b61e5b25107287e0d07db6a08b3e72c0 #v4.0.2
         with:
           args: --accept-dns=true
           oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}