chore: update to support nestjs 11

[getlarge]

Description

Fixes #99
Also update Nx to v20 and migrate to ESLint flat config.

Type of change

• Dependencies update
• Refactor (a code change that neither fixes a bug nor adds a feature)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[nx-cloud]

View your CI Pipeline Execution ↗ for commit 62fa32b.

Command	Status	Duration	Result
nx affected -t lint,test,build --parallel=2	✅ Succeeded	3s	View ↗

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☁️ Nx Cloud last updated this comment at 2025-01-31 09:50:27 UTC

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
52.4% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud