Chore(deps): Bump gotenberg-client in the document-processing group

Bumps the document-processing group with 1 update: [gotenberg-client](https://github.com/stumpylog/gotenberg-client).


Updates `gotenberg-client` from 0.12.0 to 0.13.0
- [Release notes](https://github.com/stumpylog/gotenberg-client/releases)
- [Changelog](https://github.com/stumpylog/gotenberg-client/blob/main/CHANGELOG.md)
- [Commits](https://github.com/stumpylog/gotenberg-client/compare/0.12.0...0.13.0)

---
updated-dependencies:
- dependency-name: gotenberg-client
  dependency-version: 0.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: document-processing
...

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

pyproject.toml

@@ -45,7 +45,7 @@ dependencies = [
   "drf-writable-nested~=0.7.1",
   "filelock~=3.20.0",
   "flower~=2.0.1",
-  "gotenberg-client~=0.12.0",
+  "gotenberg-client~=0.13.0",
   "httpx-oauth~=0.16",
   "imap-tools~=1.11.0",
   "inotifyrecursive~=0.3",