.github: Bump actions/create-github-app-token from 2.0.6 to 2.1.4

Bumps [actions/create-github-app-token](https://github.com/actions/create-github-app-token) from 2.0.6 to 2.1.4.
- [Release notes](https://github.com/actions/create-github-app-token/releases)
- [Commits](df432ceedc...6701853927)

---
updated-dependencies:
- dependency-name: actions/create-github-app-token
  dependency-version: 2.1.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/request-dataplane-review.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Get access token
-        uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
+        uses: actions/create-github-app-token@67018539274d69449ef7c02e8e71183d1719ab42 # v2.1.4
         id: generate-token
         with:
           # Get token for app: https://github.com/apps/change-visibility-bot

.github/workflows/update-flake.yml

@@ -27,7 +27,7 @@ jobs:
         run: ./update-flake.sh
 
       - name: Get access token
-        uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
+        uses: actions/create-github-app-token@67018539274d69449ef7c02e8e71183d1719ab42 # v2.1.4
         id: generate-token
         with:
           # Get token for app: https://github.com/apps/tailscale-code-updater

.github/workflows/update-webclient-prebuilt.yml

@@ -23,7 +23,7 @@ jobs:
           ./tool/go mod tidy
 
       - name: Get access token
-        uses: actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e # v2.0.6
+        uses: actions/create-github-app-token@67018539274d69449ef7c02e8e71183d1719ab42 # v2.1.4
         id: generate-token
         with:
           # Get token for app: https://github.com/apps/tailscale-code-updater