build(deps): bump @actions/core from 1.11.1 to 2.0.0

Bumps [@actions/core](https://github.com/actions/toolkit/tree/HEAD/packages/core) from 1.11.1 to 2.0.0.
- [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-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -26,7 +26,7 @@
   },
   "homepage": "https://github.com/git-for-windows/rss-to-issues#readme",
   "dependencies": {
-    "@actions/core": "^1.11.1",
+    "@actions/core": "^2.0.0",
     "@actions/github": "^6.0.1",
     "html-to-md": "^0.8.8",
     "rss-parser": "^3.13.0"