Upgrade to latest technologies across all components

[Kryptographer]

This is a major technology upgrade bringing all dependencies to their latest stable versions:

Python ML Backend:

• TensorFlow 2.2.0 → 2.15.0
• Flask 1.1.2 → 3.0.2
• NumPy 1.19.5 → 1.26.4
• OpenCV 4.4.0 → 4.9.0
• scikit-learn 0.23.2 → 1.4.0
• Pillow 8.3.2 → 10.2.0
• Python 3.8 → 3.11

Java Backend:

• Spring Boot 2.5.13 → 3.3.0
• Java 17 → 21
• Migrated from Springfox (deprecated) to Springdoc OpenAPI 2.5.0
• hibernate-types → hypersistence-utils-hibernate-63
• Updated Spring Cloud to 2023.0.2
• Liquibase 4.8.0 → 4.27.0
• Lombok 1.18.20 → 1.18.32
• MapStruct 1.5.2 → 1.5.5

Angular Frontend:

• Angular 11 → 18.2
• NgRx 10 → 18
• RxJS 6.6 → 7.8
• TypeScript 4.0 → 5.4
• Chart.js 2.9 → 4.4

Infrastructure:

• PostgreSQL 11.5 → 16
• Node.js 12.7 → 22 (LTS)
• Nginx 1.21 → 1.27
• CUDA 11.8 → 12.3
• Alpine 3.13 → 3.20

[github-actions]

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