Bump jinja2 from 3.1.4 to 3.1.6 in /.generator (#2443)

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.4 to 3.1.6.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.4...3.1.6)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: jack-edmonds-dd <[email protected]>

Author: dependabot[bot]

.generator/poetry.lock

@@ -10,7 +10,7 @@ python = "^3.10"
 click = "^8.1.4"
 PyYAML = "^6.0"
 jsonref = "^1.1.0"
-jinja2 = "^3.1.3"
+jinja2 = "^3.1.6"
 pytest = "^7.4.0"
 pytest-bdd = "^6.1.1"
 python-dateutil = "^2.8.2"