chore: bump nugit/actions-pr-changelog from 1.2.6 to 2.0.0

Bumps [nugit/actions-pr-changelog](https://github.com/nugit/actions-pr-changelog) from 1.2.6 to 2.0.0.
- [Release notes](https://github.com/nugit/actions-pr-changelog/releases)
- [Changelog](https://github.com/nugit/actions-pr-changelog/blob/develop/CHANGELOG.md)
- [Commits](nugit/actions-pr-changelog@v1.2.6...v2.0.0)

---
updated-dependencies:
- dependency-name: nugit/actions-pr-changelog
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/changelog.yml

@@ -9,7 +9,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: nugit/actions-pr-changelog@v1.2.6
+      - uses: nugit/actions-pr-changelog@v2.0.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           type: release

.github/workflows/create-release.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.5.0
-      - uses: nugit/actions-pr-changelog/createReleaseAction@v1.2.6
+      - uses: nugit/actions-pr-changelog/createReleaseAction@v2.0.0
         with:
           token: ${{ secrets.GH_TOKEN }}
           head: develop