fix: ErrorHandling and LocalDateTime json serialization

[antonioT90]

Description

List of Changes

Motivation and Context

How Has This Been Tested?

• Pre-Deploy Test
  • Unit
  • Integration (Narrow)
• Post-Deploy Test
  • Isolated Microservice
  • Broader Integration
  • Acceptance
  • Performance & Load

Types of changes

• PATCH - Bug fix (backwards compatible bug fixes)
• MINOR - New feature (add functionality in a backwards compatible manner)
• MAJOR - Breaking change (fix or feature that would cause existing functionality to not work as expected)
• CHORE - Minor Change (fix or feature that don't impact the functionality e.g. Documentation or lint configuration)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
96.5% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud