build(deps): bump @docker/actions-toolkit from 0.79.0 to 0.81.0

Bumps [@docker/actions-toolkit](https://github.com/docker/actions-toolkit) from 0.79.0 to 0.81.0.
- [Release notes](https://github.com/docker/actions-toolkit/releases)
- [Commits](https://github.com/docker/actions-toolkit/compare/v0.79.0...v0.81.0)

---
updated-dependencies:
- dependency-name: "@docker/actions-toolkit"
  dependency-version: 0.81.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -23,7 +23,7 @@
   "packageManager": "yarn@4.9.2",
   "dependencies": {
     "@actions/core": "^3.0.0",
-    "@docker/actions-toolkit": "^0.79.0"
+    "@docker/actions-toolkit": "^0.81.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.3",