Update release-drafter/release-drafter action to v7 (#110)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/changelog.yml

@@ -12,6 +12,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # Drafts your next Release notes as Pull Requests are merged into "master"
-      - uses: release-drafter/release-drafter@v6
+      - uses: release-drafter/release-drafter@v7
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}