Merge pull request #4 from joshcai/dependabot/npm_and_yarn/actions/core-1.2.6

Bump @actions/core from 1.2.4 to 1.2.6

Author: joshcai

package-lock.json

@@ -18,7 +18,7 @@
   },
   "homepage": "https://github.com/joshcai/leetcode-sync#readme",
   "dependencies": {
-    "@actions/core": "^1.2.4",
+    "@actions/core": "^1.2.6",
     "@actions/github": "^4.0.0",
     "@octokit/rest": "^18.0.0",
     "axios": "^0.19.2"