npm(deps): bump @actions/core from 1.3.0 to 1.4.0 (#71)

Bumps [@actions/core](https://github.com/actions/toolkit/tree/HEAD/packages/core) from 1.3.0 to 1.4.0.
- [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] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -15,7 +15,7 @@
     "build": "ncc build src/index.js --license LICENSE"
   },
   "dependencies": {
-    "@actions/core": "^1.3.0",
+    "@actions/core": "^1.4.0",
     "actions-toolkit": "^6.0.1",
     "axios": "^0.21.1",
     "dateformat": "^4.5.1",