Release for v0.0.13

[Songmu]

This pull request is for the next release as v0.0.13 created by rcpr. Merging it will tag v0.0.13 to the merge commit and create a GitHub release.

You can modify this branch "rcpr-from-v0.0.12" directly before merging if you want to change the next version number or other files for the release.

How to change the next version as you like

There are two ways to do it.

• Version file
  • Edit and commit the version file specified in the .rcpr configuration file to describe the next version
  • If you want to use another version file, edit the configuration file.
• Labels convention
  • Add labels to this pull request like "rcpr:minor" or "rcpr:major"
  • If no conventional labels are added, the patch version is incremented as is.

---

What's Changed

• add actions.yml to support GitHub Actions by @Songmu in add actions.yml to support GitHub Actions #63
• support to specify multiple version files by comma separated string in conf by @Songmu in support to specify multiple version files by comma separated string in conf #65
• adjust bumping version file behavior by @Songmu in adjust bumping version file behavior #66
• remove generated comment in CHANGELOG.md by @Songmu in remove generated comment in CHANGELOG.md #67

Full Changelog: v0.0.12...v0.0.13