Bump thomaseizinger/keep-a-changelog-new-release from 1.3.0 to 3.1.0 (#613)

Bumps [thomaseizinger/keep-a-changelog-new-release](https://github.com/thomaseizinger/keep-a-changelog-new-release) from 1.3.0 to 3.1.0.
- [Release notes](https://github.com/thomaseizinger/keep-a-changelog-new-release/releases)
- [Changelog](https://github.com/thomaseizinger/keep-a-changelog-new-release/blob/master/CHANGELOG.md)
- [Commits](thomaseizinger/keep-a-changelog-new-release@1.3.0...3.1.0)

---
updated-dependencies:
- dependency-name: thomaseizinger/keep-a-changelog-new-release
  dependency-version: 3.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -72,7 +72,7 @@ jobs:
           cd apidocs && box install
 
       - name: Update changelog [unreleased] with latest version
-        uses: thomaseizinger/keep-a-changelog-new-release@1.3.0
+        uses: thomaseizinger/keep-a-changelog-new-release@3.1.0
         if: env.SNAPSHOT == 'false'
         with:
           changelogPath: ./changelog.md