Bump @actions/core from 1.2.7 to 1.6.0

Bumps [@actions/core](https://github.com/actions/toolkit/tree/HEAD/packages/core) from 1.2.7 to 1.6.0.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/core/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/core)

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

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

package-lock.json

@@ -5,9 +5,22 @@
   "requires": true,
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.7",
+      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.7.tgz",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.6.0.tgz",
-      "integrity": "sha512-kzLFD5BgEvq6ubcxdgPbRKGD2Qrgya/5j+wh4LZzqT915I0V3rED+MvjH6NXghbvk1MXknpNNQ3uKjXSEN00Ig=="
+      "integrity": "sha512-NB1UAZomZlCV/LmJqkLhNTqtKfFXJZAUPcfl/zqG7EfsQdeUJtaWO98SGbuQ3pydJ3fHl2CvI/51OKYlCYYcaw==",
+      "requires": {
+        "@actions/http-client": "^1.0.11"
+      },
+      "dependencies": {
+        "@actions/http-client": {
+          "version": "1.0.11",
+          "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.11.tgz",
+          "integrity": "sha512-VRYHGQV1rqnROJqdMvGUbY/Kn8vriQe/F9HR2AlYHzmKuM/p3kjNuXhmdBfcVgsvRWTz5C5XW5xvndZrVBuAYg==",
+          "requires": {
+            "tunnel": "0.0.6"
+          }
+        }
+      }
     },
     "@actions/exec": {
       "version": "1.0.4",

package.json

@@ -19,7 +19,7 @@
   "keywords": [],
   "author": "",
   "dependencies": {
-    "@actions/core": "^1.2.7",
+    "@actions/core": "^1.6.0",
     "@actions/github": "^5.0.0",
     "@actions/io": "^1.1.1",
     "@actions/tool-cache": "^1.6.1",