chore(deps): bump decap-cms from 3.0.5 to 3.0.12

Bumps [decap-cms](https://github.com/decaporg/decap-cms) from 3.0.5 to 3.0.12.
- [Release notes](https://github.com/decaporg/decap-cms/releases)
- [Changelog](https://github.com/decaporg/decap-cms/blob/master/CHANGELOG.md)
- [Commits](https://github.com/decaporg/decap-cms/compare/[email protected]@3.0.12)

---
updated-dependencies:
- dependency-name: decap-cms
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>