Bump peter-evans/create-pull-request from 8.1.0 to 8.1.1 (#4475)

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

@@ -27,7 +27,7 @@ jobs:
           set -o pipefail
           pixi update --json | pixi exec pixi-diff-to-markdown >> diff.md
       - name: Create pull request
-        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8.1.0
+        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: Update pixi lockfile