Bump scala-steward-org/scala-steward-action from 2.63.0 to 2.64.0 (#358)

Bumps [scala-steward-org/scala-steward-action](https://github.com/scala-steward-org/scala-steward-action) from 2.63.0 to 2.64.0.
- [Release notes](https://github.com/scala-steward-org/scala-steward-action/releases)
- [Commits](scala-steward-org/scala-steward-action@v2.63.0...v2.64.0)

---
updated-dependencies:
- dependency-name: scala-steward-org/scala-steward-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/scala-steward.yml

@@ -13,4 +13,4 @@ jobs:
     name: Scala Steward
     steps:
       - name: Scala Steward
-        uses: scala-steward-org/scala-steward-action@v2.63.0
+        uses: scala-steward-org/scala-steward-action@v2.64.0