Bump peter-evans/create-pull-request from 5 to 6 (deephaven#5113)

Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 5 to 6.
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](peter-evans/create-pull-request@v5...v6)

---
updated-dependencies:
- dependency-name: peter-evans/create-pull-request
  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>

.github/workflows/update-web.yml

@@ -33,7 +33,7 @@ jobs:
           sed -i "s/^ARG CHART_VERSION=.*/ARG CHART_VERSION=$CHART_VERSION/" ./web/client-ui/Dockerfile
           sed -i "s/^ARG WIDGET_VERSION=.*/ARG WIDGET_VERSION=$WIDGET_VERSION/" ./web/client-ui/Dockerfile
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
+        uses: peter-evans/create-pull-request@v6
         env:
           WEB_VERSION: ${{steps.web_versions.outputs.WEB_VERSION}}
         with: