chore(deps): bump Namchee/conventional-pr from 0.15.1 to 0.15.4

Bumps [Namchee/conventional-pr](https://github.com/namchee/conventional-pr) from 0.15.1 to 0.15.4.
- [Release notes](https://github.com/namchee/conventional-pr/releases)
- [Commits](Namchee/conventional-pr@v0.15.1...v0.15.4)

---
updated-dependencies:
- dependency-name: Namchee/conventional-pr
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/pr_lint.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: Namchee/conventional-pr@v0.15.1
+      - uses: Namchee/conventional-pr@v0.15.4
         # env:
         #   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: