Bump haskell-actions/run-ormolu from 14 to 15 (#156)

Bumps [haskell-actions/run-ormolu](https://github.com/haskell-actions/run-ormolu) from 14 to 15.
- [Release notes](https://github.com/haskell-actions/run-ormolu/releases)
- [Changelog](https://github.com/haskell-actions/run-ormolu/blob/master/CHANGELOG.md)
- [Commits](haskell-actions/run-ormolu@01e83f5...15b0083)

---
updated-dependencies:
- dependency-name: haskell-actions/run-ormolu
  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>

.github/workflows/ormolu.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      - uses: haskell-actions/run-ormolu@01e83f5d20f21a120aa5646f224d80032768765b # v14
+      - uses: haskell-actions/run-ormolu@15b0083a0ef416915994fb511652b187f6026a40 # v15
         with:
           respect-cabal-files: false
           extra-args: '-o -XGHC2021 -o -XOverloadedStrings'