Update dependency io.github.openfeign:feign-jackson to v13.12 (#129)

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

Author: renovate[bot]

build.gradle

@@ -95,7 +95,7 @@ test {
 ext {
     lombokVersion = '1.18.46'
     springCloudVersion = '2025.0.1'
-    feignVersion = '13.11'
+    feignVersion = '13.12'
 }
 
 def versions = [