chore(deps-dev): bump @octokit/core from 4.2.4 to 6.1.2

Bumps [@octokit/core](https://github.com/octokit/core.js) from 4.2.4 to 6.1.2.
- [Release notes](https://github.com/octokit/core.js/releases)
- [Commits](octokit/core.js@v4.2.4...v6.1.2)

---
updated-dependencies:
- dependency-name: "@octokit/core"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -50,7 +50,7 @@
     "@diplodoc/prettier-config": "^2.0.0",
     "@diplodoc/transform": "^4.13.0",
     "@diplodoc/tsconfig": "^1.0.2",
-    "@octokit/core": "4.2.4",
+    "@octokit/core": "6.1.2",
     "@types/async": "^3.2.15",
     "@types/chalk": "2.2.0",
     "@types/glob": "^8.1.0",