Update jinja2 requirement from ~=3.0 to ~=3.1 in /cli

Updates the requirements on [jinja2](https://github.com/pallets/jinja) to permit the latest version.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.0.0...3.1.6)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-version: 3.1.6
  dependency-type: direct:production
...

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

Author: dependabot[bot]

cli/requirements.txt

@@ -16,7 +16,7 @@ aws-cdk.core~=1.164
 aws_cdk.aws-cloudwatch~=1.164
 aws_cdk.aws-lambda~=1.164
 boto3>=1.39.4
-jinja2~=3.0
+jinja2~=3.1
 jmespath~=1.0
 jsii==1.85.0
 marshmallow~=3.10