chore: bump contentlayer from 0.1.1 to 0.1.2

Bumps [contentlayer](https://github.com/contentlayerdev/contentlayer) from 0.1.1 to 0.1.2.
- [Release notes](https://github.com/contentlayerdev/contentlayer/releases)
- [Commits](contentlayerdev/contentlayer@v0.1.1...v0.1.2)

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

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