build(deps): bump jinja2 from 3.1.2 to 3.1.3 in /docs

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.2 to 3.1.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.2...3.1.3)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: indirect
...

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

docs/requirements.txt

@@ -20,14 +20,18 @@ idna==3.4
     # via requests
 imagesize==1.4.1
     # via sphinx
-jinja2==3.1.2
+importlib-metadata==7.0.1
+    # via sphinx
+jinja2==3.1.3
     # via sphinx
 markupsafe==2.1.3
     # via jinja2
 packaging==23.1
     # via sphinx
 pygments==2.15.1
     # via sphinx
+pytz==2023.3.post1
+    # via babel
 readthedocs-sphinx-search==0.3.1
     # via -r requirements.in
 requests==2.31.0
@@ -60,3 +64,5 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 urllib3==2.0.7
     # via requests
+zipp==3.17.0
+    # via importlib-metadata