GH-58 Migrate to Javalin 7.x

[dzikoysk]

No description provided.

[tipsy]

Need to start 😁

[codecov]

Codecov Report

❌ Patch coverage is 56.25000% with 28 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.40%. Comparing base (33659b3) to head (4037859).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...alin/community/routing/JavalinRoutingExtensions.kt	44.12%	18 Missing and 1 partial ⚠️
.../community/routing/annotations/AnnotatedRouting.kt	36.37%	7 Missing ⚠️
...javalin/community/routing/JavalinConfigUnsafe.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #59      +/-   ##
============================================
- Coverage     78.08%   74.40%   -3.67%     
- Complexity       94      108      +14     
============================================
  Files            21       22       +1     
  Lines           552      625      +73     
  Branches         79       57      -22     
============================================
+ Hits            431      465      +34     
- Misses           91      137      +46     
+ Partials         30       23       -7     

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