Bump tailscale/github-action from 3 to 4

Bumps [tailscale/github-action](https://github.com/tailscale/github-action) from 3 to 4.
- [Release notes](https://github.com/tailscale/github-action/releases)
- [Commits](https://github.com/tailscale/github-action/compare/v3...v4)

---
updated-dependencies:
- dependency-name: tailscale/github-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/wireless-performance-autotest.yml

@@ -52,7 +52,7 @@ jobs:
     steps:
 
        - name: "Connect to Tailscale network"
-         uses: tailscale/github-action@v3
+         uses: tailscale/github-action@v4
          with:
            oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
            oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
@@ -252,7 +252,7 @@ jobs:
           path: 'documentation'
 
       - name: "Connect to Tailscale network"
-        uses: tailscale/github-action@v3
+        uses: tailscale/github-action@v4
         with:
           oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
           oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}