Revert "chore(deps): bump @actions/core from 1.6.0 to 1.8.2 (#354)"

This reverts commit d1c2f83.

package.json

@@ -21,7 +21,7 @@
   "author": "CrazyMax",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.8.2",
+    "@actions/core": "^1.6.0",
     "@actions/exec": "^1.1.1",
     "@actions/http-client": "^2.0.1",
     "@actions/tool-cache": "^1.7.2",

yarn.lock

@@ -2,12 +2,12 @@
 # yarn lockfile v1
 
 
-"@actions/core@^1.2.6", "@actions/core@^1.8.2":
-  version "1.8.2"
-  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.8.2.tgz#67539d669ae9b751430469e9ae4d83e0525973ac"
-  integrity sha512-FXcBL7nyik8K5ODeCKlxi+vts7torOkoDAKfeh61EAkAy1HAvwn9uVzZBY0f15YcQTcZZ2/iSGBFHEuioZWfDA==
+"@actions/core@^1.2.6", "@actions/core@^1.6.0":
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.6.0.tgz#0568e47039bfb6a9170393a73f3b7eb3b22462cb"
+  integrity sha512-NB1UAZomZlCV/LmJqkLhNTqtKfFXJZAUPcfl/zqG7EfsQdeUJtaWO98SGbuQ3pydJ3fHl2CvI/51OKYlCYYcaw==
   dependencies:
-    "@actions/http-client" "^2.0.1"
+    "@actions/http-client" "^1.0.11"
 
 "@actions/exec@^1.0.0", "@actions/exec@^1.1.1":
   version "1.1.1"