build(deps): bump ublue-os/isogenerator from 2.1.1 to 2.1.2

Bumps [ublue-os/isogenerator](https://github.com/ublue-os/isogenerator) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/ublue-os/isogenerator/releases)
- [Changelog](https://github.com/ublue-os/isogenerator/blob/main/CHANGELOG.md)
- [Commits](ublue-os/isogenerator@v2.1.1...v2.1.2)

---
updated-dependencies:
- dependency-name: ublue-os/isogenerator
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/release-please.yml

@@ -37,7 +37,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Generate ISO
-        uses: ublue-os/isogenerator@v2.1.1
+        uses: ublue-os/isogenerator@v2.1.2
         id: isogenerator
         with:
           image-name: beyond