fix: use correct diff link for v13.0.0, v12.9.0 releases

Description of the change

The diff link for v13.0.0 and v12.9.0 were referring to v12.9.0...dev and v12.8.0...dev while they should refer to v12.9.0...v13.0.0 and v12.8.0...v12.9.0 in the Changelog.

Type of change

[ ] Bug fix (non-breaking change that fixes an issue)
[ ] New feature (non-breaking change that adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Jira ID: MOB-14388

Checklists

Development

[ ] Lint rules pass locally
[ ] The code changed/added as part of this pull request has been covered with tests

Code review

[ ] This pull request has a descriptive title and information useful to a reviewer
[ ] Issue from task tracker has a link to this pull request

Label	Coverage	Status
JavaScript	96.3%	✅
Android	48.3%	✅
iOS	42.3%	✅

Instabug / Instabug-React-Native

fix: use correct diff link for v13.0.0, v12.9.0 releases #1198