Bump @actions/tool-cache from 1.5.5 to 1.6.0

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/master/packages/tool-cache/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/tool-cache)

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

package.json

@@ -29,7 +29,7 @@
         "@actions/core": "^1.2.4",
         "@actions/exec": "^1.0.4",
         "@actions/io": "^1.0.2",
-        "@actions/tool-cache": "^1.5.5",
+        "@actions/tool-cache": "^1.6.0",
         "azure-pipelines-task-lib": "^2.9.6",
         "azure-pipelines-tool-lib": "^0.13.2",
         "inversify": "^5.0.1",