Update dependencies version

[giulio-giunta]

Updated dependencies version in requirements.txt and backend Dockerfile

Related Issue

"resolves #728"

Motivation and Context

It allows Snyk to pass its check on the cicd pipeline

How Has This Been Tested?

It has been tested by successfully run a build in the cicd pipeline

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[giulio-giunta]

@jamesgeddes, the cicd pipeline is fixed and all the dependency versions upgraded as per Snyk suggestions. Please review it as you can.