Bump @actions/cache from 1.0.8 to 1.0.9 (#720)

Bumps [@actions/cache](https://github.com/actions/toolkit/tree/HEAD/packages/cache) from 1.0.8 to 1.0.9.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/cache/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/cache)

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

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -29,7 +29,7 @@
   "license": "MIT",
   "dependencies": {
     "@actions/artifact": "^0.6.1",
-    "@actions/cache": "^1.0.8",
+    "@actions/cache": "^1.0.9",
     "@actions/core": "^1.6.0",
     "@actions/exec": "^1.1.0",
     "@actions/github": "^4.0.0",