Bump jinja2 from 2.11.3 to 3.1.6 in /examples/greengrass/src/viewer

Bumps [jinja2](https://github.com/pallets/jinja) from 2.11.3 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@2.11.3...3.1.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

examples/greengrass/src/viewer/requirements.txt

@@ -1,7 +1,7 @@
 click==6.7
 flask>=0.12.3
 itsdangerous==0.24
-Jinja2==2.11.3
+Jinja2==3.1.6
 setuptools==70.0.0
 MarkupSafe==1.0
 Werkzeug==3.0.6