.github/workflows: Bump eps1lon/actions-label-merge-conflict

Bumps [eps1lon/actions-label-merge-conflict](https://github.com/eps1lon/actions-label-merge-conflict) from 2.0.1 to 3.0.1.
- [Release notes](https://github.com/eps1lon/actions-label-merge-conflict/releases)
- [Changelog](https://github.com/eps1lon/actions-label-merge-conflict/blob/main/CHANGELOG.md)
- [Commits](eps1lon/actions-label-merge-conflict@b8bf834...6d74047)

---
updated-dependencies:
- dependency-name: eps1lon/actions-label-merge-conflict
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/needs-rebase.yml

@@ -11,7 +11,7 @@ jobs:
       # (NOTE: pinning the action to a given commit is a security best-practice:
       # https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/security-hardening-for-github-actions)
       - name: Check if PR needs rebase
-        uses: eps1lon/actions-label-merge-conflict@b8bf8341285ec9a4567d4318ba474fee998a6919
+        uses: eps1lon/actions-label-merge-conflict@6d74047dcef155976a15e4a124dde2c7fe0c5522
         with:
           repoToken: "${{ secrets.GITHUB_TOKEN }}"
           dirtyLabel: "needs-rebase"