ci(deps): bump PurpleBooth/generate-formula-action from 0.1.4 to 0.1.5

Bumps [PurpleBooth/generate-formula-action](https://github.com/PurpleBooth/generate-formula-action) from 0.1.4 to 0.1.5.
- [Release notes](https://github.com/PurpleBooth/generate-formula-action/releases)
- [Commits](PurpleBooth/generate-formula-action@v0.1.4...v0.1.5)

---
updated-dependencies:
- dependency-name: PurpleBooth/generate-formula-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/pipeline.yml

@@ -242,7 +242,7 @@ jobs:
     name: Generate Homebrew Formula
     runs-on: ubuntu-latest
     steps:
-    - uses: PurpleBooth/generate-formula-action@v0.1.4
+    - uses: PurpleBooth/generate-formula-action@v0.1.5
       name: Create PR for formula
       with:
         current_version: ${{ needs.release.outputs.current_version }}