Bump eps1lon/actions-label-merge-conflict from 2.1.0 to 3.0.2 (dotnet#41874)

Bumps [eps1lon/actions-label-merge-conflict](https://github.com/eps1lon/actions-label-merge-conflict) from 2.1.0 to 3.0.2.
- [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@fd1f295...1b1b1fc)

---
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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/rebase-needed.yml

@@ -20,7 +20,7 @@ jobs:
           egress-policy: audit
 
       - name: Check for merge conflicts
-        uses: eps1lon/actions-label-merge-conflict@fd1f295ee7443d13745804bc49fe158e240f6c6e # releases/2.x
+        uses: eps1lon/actions-label-merge-conflict@1b1b1fcde06a9b3d089f3464c96417961dde1168 # releases/2.x
         with:
           dirtyLabel: "rebase needed :construction:"
           repoToken: "${{ secrets.GITHUB_TOKEN }}"