Update to OkHttp 5.2.1

Author: larsgrefer

starters/okhttp5-spring-boot-starter/build.gradle

@@ -5,7 +5,7 @@ description = "OkHttp 5 Spring Boot Starter"
 
 dependencies {
     api platform(project(":okhttp-spring-boot-dependencies"))
-    api platform('com.squareup.okhttp3:okhttp-bom:5.1.0')
+    api platform('com.squareup.okhttp3:okhttp-bom:5.2.1')
 
     api 'org.springframework.boot:spring-boot-starter'
     api project(':okhttp-spring-boot-autoconfigure')