Bump peter-evans/create-pull-request from 6 to 7 (#1844)

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/update_lockfiles.yml

@@ -23,7 +23,7 @@ jobs:
           pixi global install pixi-diff-to-markdown
           pixi update --json --no-install | pixi-diff-to-markdown >> diff.md
       - name: Create pull request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v7
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: Update pixi lockfile