Update dependency io.javalin:javalin to v5.6.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.javalin:javalin (source)	5.6.2 -> 5.6.3

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Configuration

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #2522 (3420c25) into master (b1ee1ee) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2522   +/-   ##
=========================================
  Coverage     88.39%   88.39%           
  Complexity     1845     1845           
=========================================
  Files           308      308           
  Lines          6992     6992           
  Branches        514      514           
=========================================
  Hits           6180     6180           
  Misses          644      644           
  Partials        168      168