Bump mrkkrp/ormolu-action from 11 to 12 (#87)

Bumps [mrkkrp/ormolu-action](https://github.com/mrkkrp/ormolu-action) from 11 to 12.
- [Release notes](https://github.com/mrkkrp/ormolu-action/releases)
- [Changelog](https://github.com/haskell-actions/run-ormolu/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mrkkrp/ormolu-action/compare/v11...v12)

---
updated-dependencies:
- dependency-name: mrkkrp/ormolu-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/workflow.yaml

@@ -146,7 +146,7 @@
           "uses": "actions/checkout@v3"
         },
         {
-          "uses": "mrkkrp/ormolu-action@v11"
+          "uses": "mrkkrp/ormolu-action@v12"
         }
       ]
     },