deps: bump @types/shelljs from 0.8.8 to 0.8.9

Bumps [@types/shelljs](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/shelljs) from 0.8.8 to 0.8.9.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/shelljs)

---
updated-dependencies:
- dependency-name: "@types/shelljs"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -52,7 +52,7 @@
     "@actions/github": "^5.0.0",
     "@actions/glob": "^0.2.0",
     "@actions/io": "^1.1.1",
-    "@types/shelljs": "^0.8.8",
+    "@types/shelljs": "^0.8.9",
     "shelljs": "^0.8.4"
   },
   "devDependencies": {