fix: upgrade @actions/core from 1.2.6 to 1.6.0

Snyk has created this PR to upgrade @actions/core from 1.2.6 to 1.6.0.

See this package in npm:
https://www.npmjs.com/package/@actions/core

See this project in Snyk:
https://app.snyk.io/org/emnmer1/project/34c7da3b-bd8a-469a-bbc4-db9b5aa7b90e?utm_source=github&utm_medium=referral&page=upgrade-pr

package-lock.json

@@ -5,9 +5,22 @@
   "requires": true,
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.6",
+      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.6.tgz",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.6.0.tgz",
-      "integrity": "sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA=="
+      "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": "1.0.1",

package.json

@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/actions/checkout#readme",
   "dependencies": {
-    "@actions/core": "^1.2.6",
+    "@actions/core": "^1.6.0",
     "@actions/exec": "^1.0.1",
     "@actions/github": "^2.2.0",
     "@actions/io": "^1.0.1",