fix(deps): upgrade to the beta of the github plugin

Author: travi

package-lock.json

@@ -29,7 +29,7 @@
  "dependencies": {
  "@semantic-release/commit-analyzer": "^13.0.0-beta.1",
  "@semantic-release/error": "^4.0.0",
- "@semantic-release/github": "^11.0.0",
+ "@semantic-release/github": "^12.0.0-beta.2",
  "@semantic-release/npm": "^13.0.0-beta.1",
  "@semantic-release/release-notes-generator": "^14.0.0-beta.1",
  "aggregate-error": "^5.0.0",