build(deps): bump @actions/tool-cache from 1.5.5 to 1.6.0 (#61)

Bumps [@actions/tool-cache](https://github.com/actions/toolkit/tree/HEAD/packages/tool-cache) from 1.5.5 to 1.6.0.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/tool-cache/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/tool-cache)

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

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

package.json

@@ -29,7 +29,7 @@
     "@actions/core": "^1.2.0",
     "@actions/exec": "^1.0.1",
     "@actions/github": "^2.1.1",
-    "@actions/tool-cache": "^1.5.5",
+    "@actions/tool-cache": "^1.6.0",
     "@types/semver": "^7.3.1",
     "@types/tmp": "^0.2.0",
     "setup-go": "git+https://github.com/actions/setup-go.git#v2.1.1",