Update ktorVersion to v2.2.4 (#379)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle.properties

@@ -11,7 +11,7 @@ guavaVersion=29.0-jre
 immutablesVersion=2.8.9-ea-1
 jacksonVersion=2.12.7
 junitJupiterVersion=5.7.2
-ktorVersion=2.2.3
+ktorVersion=2.2.4
 logbackVersion=1.2.11
 lombokVersion=1.18.26
 mockitoVersion=3.11.2