Bump jinja2 from 3.1.3 to 3.1.5 in /examples/server/wsgi

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.3 to 3.1.5.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.3...3.1.5)

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

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

Author: dependabot[bot]

examples/server/wsgi/requirements.txt

@@ -5,7 +5,7 @@ eventlet==0.35.2
 Flask==1.0.2
 greenlet==0.4.12
 itsdangerous==1.1.0
-Jinja2==3.1.3
+Jinja2==3.1.5
 MarkupSafe==1.1.0
 packaging==16.8
 pyparsing==2.1.10