fix(ci): pass GITHUB_TOKEN to git-cliff for authenticated API requests

Unauthenticated GitHub API requests (60/hour) were failing with TLS
connection errors when paginating through closed PRs. Authenticated
requests get 5000/hour and more reliable connections.

Author: fenio

.github/workflows/release.yml

@@ -147,6 +147,7 @@ jobs:
         env:
           OUTPUT: CHANGELOG.md
           GITHUB_REPO: ${{ github.repository }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Append installation instructions
         run: |