fix(ci): resolve benchmark push and release update failures

- Use GITHUB_TOKEN instead of CHARON_TOKEN for benchmark gh-pages push
- Add make_latest: false to prevent immutable release update errors
- Fixes Performance Regression Check authentication failure
- Fixes Auto Versioning target_commitish immutable error

.github/workflows/auto-versioning.yml

@@ -97,5 +97,6 @@ jobs:
           tag_name: ${{ steps.determine_tag.outputs.tag }}
           name: Release ${{ steps.determine_tag.outputs.tag }}
           body: ${{ steps.semver.outputs.release_notes }}
+          make_latest: false
         env:
-          CHARON_TOKEN: ${{ secrets.CHARON_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/benchmark.yml

@@ -42,7 +42,7 @@ jobs:
           name: Go Benchmark
           tool: 'go'
           output-file-path: backend/output.txt
-          github-token: ${{ secrets.CHARON_TOKEN }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
           auto-push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
           # Show alert with commit comment on detection of performance regression
           alert-threshold: '150%'