Update ktor monorepo to v2.3.13 (#2666)

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

Author: renovate[bot]

gradle/templates.versions.toml

@@ -62,7 +62,7 @@ rocker-maven-plugin = "1.4.0"
 scram-client = "2.1"
 slf4j-simple-logger = "2.0.0"
 zeebe-micronaut-client = "1.19.0"
-ktor = "2.3.12"
+ktor = "2.3.13"
 jakarta-validation-api = "3.1.0"
 spring-boot-gradle-plugin = "3.3.5"
 spring-dependency-management-plugin = "1.1.6"