Bump jinja2 from 2.10.1 to 2.11.3 in /HarvestPredictor

Bumps [jinja2](https://github.com/pallets/jinja) from 2.10.1 to 2.11.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@2.10.1...2.11.3)

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

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

Author: dependabot[bot]

HarvestPredictor/requirements.txt

@@ -3,6 +3,6 @@ numpy==1.20.3
 
 gunicorn==20.0.4
 Werkzeug==0.16.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 itsdangerous==1.1.0
 MarkupSafe==1.1.1