build(deps): bump docxtpl from 0.17.0 to 0.18.0

Bumps [docxtpl](https://github.com/elapouya/python-docx-template) from 0.17.0 to 0.18.0.
- [Changelog](https://github.com/elapouya/python-docx-template/blob/master/CHANGES.rst)
- [Commits](https://github.com/elapouya/python-docx-template/commits/v0.18.0)

---
updated-dependencies:
- dependency-name: docxtpl
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pyproject.toml

@@ -34,7 +34,7 @@ django-generic-api-permissions = "^0.4.6"
 django-storages = "^1.14.3"
 djangorestframework = "^3.15.2"
 docx-mailmerge2 = "^0.8.0"
-docxtpl = "^0.17.0"
+docxtpl = ">=0.17,<0.19"
 Jinja2 = "^3.1.4"
 mysqlclient = { version = "^2.2.4", optional = true }
 pillow = "^10.3.0"