[Snyk] Fix for 2 vulnerabilities

Snyk has created this PR to fix one or more vulnerable packages in the `pip` dependencies of this project.

:sparkles: Snyk has automatically assigned this pull request, set who gets assigned.

As this is a private repository, Snyk-bot does not have access. Therefore, this PR has been created automatically, but appears to have been created by a real user.

Changes included in this PR

Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
- backend/requirements.txt

⚠️ Warning

``` Flask 2.2.5 requires Werkzeug, which is not installed. ```

Vulnerabilities that will be fixed

By pinning:

Severity	Priority Score (*)	Issue	Upgrade	Breaking Change	Exploit Maturity
	661/1000 Why? Recently disclosed, Has a fix available, CVSS 7.5	Uncontrolled Resource Consumption ('Resource Exhaustion') SNYK-PYTHON-PILLOW-6043904	`pillow:` `9.5.0 -> 10.0.0`	No	No Known Exploit
	661/1000 Why? Recently disclosed, Has a fix available, CVSS 7.5	Denial of Service (DoS) SNYK-PYTHON-WERKZEUG-6041510	`werkzeug:` `2.2.3 -> 3.0.1`	No	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Some vulnerabilities couldn't be fully fixed and so Snyk will still find them when the project is tested again. This may be because the vulnerability existed within more than one direct dependency, but not all of the affected dependencies could be upgraded.

Check the changes in this PR to ensure they won't cause issues with your project.

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

For more information: 🧐 View latest project report

👩‍💻 Set who automatically gets assigned

🛠 Adjust project settings

Learn how to fix vulnerabilities with free interactive lessons:

🦉 Uncontrolled Resource Consumption ('Resource Exhaustion')

kandersonko / lca-tool