Bump @actions/http-client from 1.0.4 to 1.0.8

Bumps [@actions/http-client](https://github.com/actions/http-client) from 1.0.4 to 1.0.8.
- [Release notes](https://github.com/actions/http-client/releases)
- [Changelog](https://github.com/actions/http-client/blob/master/RELEASES.md)
- [Commits](https://github.com/actions/http-client/commits)

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

package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "@actions/core": "^1.0.0",
     "@actions/exec": "^1.0.1",
-    "@actions/http-client": "^1.0.4",
+    "@actions/http-client": "^1.0.8",
     "@actions/io": "^1.0.1",
     "@actions/tool-cache": "^1.1.2",
     "@octokit/rest": "^17.1.0",