Bump @actions/github from 6.0.1 to 7.0.0 (#324)

Bumps [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) from 6.0.1 to 7.0.0.
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/github/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/github)

---
updated-dependencies:
- dependency-name: "@actions/github"
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tingting Wang <tingx2wang@github.com>

package.json

@@ -71,7 +71,7 @@
   "dependencies": {
     "@actions/attest": "^2.1.0",
     "@actions/core": "^2.0.2",
-    "@actions/github": "^6.0.1",
+    "@actions/github": "^7.0.0",
     "@actions/glob": "^0.5.0",
     "@sigstore/oci": "^0.6.0",
     "csv-parse": "^5.6.0"