Replace Jackson 2 references with Jackson 3

[uhafner]

Jackson 2 is EOL.

[github-actions]

☀️   Quality Monitor

Tests

     Unit Tests: ✅ successful — 17 passed
   🚀   Integration Tests: ✅ successful — 10 passed, 1 skipped
   ⛔   Architecture Tests: ✅ successful — 15 passed

Coverage for New Code

   〰️   Line Coverage: 92.86% — 1 missed lines
   ➰   Branch Coverage: 100.00% — perfect 🎉

Coverage for Whole Project

   〰️   Line Coverage: 78.66% — 35 missed lines
   ➰   Branch Coverage: 100.00% — perfect 🎉

Style

     CheckStyle: No warnings
     PMD: No warnings
   ☕   Java Compiler: No warnings

Bugs

     SpotBugs: No bugs
   🐛   Error Prone: No bugs

Vulnerabilities

   🛡️   OWASP Dependency Check: 187 vulnerabilities — error: 15, high: 50, normal: 116, low: 6

Software Metrics

   🌀   Cyclomatic Complexity: 69 (total)
   💭   Cognitive Complexity: 6 (total)
   ➿   N-Path Complexity: 67 (total)
   📏   Lines of Code: 1162 (total)
   📝   Non Commenting Source Statements: 287 (total)
   🔗   Class Cohesion: 38.46% (maximum)
   ⚖️   Weight of Class: 100.00% (maximum)

🚦 Quality Gates

Overall Status: ✅ SUCCESS

✅ Passed Gates

• ✅ Overall Tests Success Rate: 100.00 >= 100.00
• ✅ Potential Bugs in Whole Project: 0.00 <= 0.00
• ✅ Style Violation in Whole Project: 0.00 <= 0.00

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Created by Quality Monitor v4.10.0 (#a182a22). More details are shown in the GitHub Checks Result.