Update okhttp monorepo to v5.4.0 (#2870)

* Update okhttp monorepo to v5.4.0

* update licenses

---------

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

Author: renovate[bot]

dependencyManagement/build.gradle.kts

@@ -30,7 +30,7 @@ dependencies {
   // BOMs
   api(enforcedPlatform("com.fasterxml.jackson:jackson-bom:2.22.0"))
   api(enforcedPlatform("com.google.protobuf:protobuf-bom:$protobufVersion"))
-  api(enforcedPlatform("com.squareup.okhttp3:okhttp-bom:5.3.2"))
+  api(enforcedPlatform("com.squareup.okhttp3:okhttp-bom:5.4.0"))
   api(enforcedPlatform("io.grpc:grpc-bom:1.81.0"))
   api(enforcedPlatform("io.opentelemetry:opentelemetry-bom-alpha:$otelAlphaVersion"))
   api(enforcedPlatform("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:$otelInstrumentationAlphaVersion"))

licenses/licenses.md

@@ -1,14 +1,14 @@
 
 # splunk-otel-javaagent
 ## Dependency License Report
-_2026-05-22 15:43:43 EEST_
+_2026-06-09 09:33:33 EEST_
 ## Apache License, Version 2.0
 
-**1** **Group:** `com.squareup.okhttp3` **Name:** `okhttp` **Version:** `5.3.2` 
+**1** **Group:** `com.squareup.okhttp3` **Name:** `okhttp` **Version:** `5.4.0` 
 > - **POM Project URL**: [https://square.github.io/okhttp/](https://square.github.io/okhttp/)
 > - **POM License**: Apache License, Version 2.0 - [https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)
 
-**2** **Group:** `com.squareup.okhttp3` **Name:** `okhttp-jvm` **Version:** `5.3.2` 
+**2** **Group:** `com.squareup.okhttp3` **Name:** `okhttp-jvm` **Version:** `5.4.0` 
 > - **POM Project URL**: [https://square.github.io/okhttp/](https://square.github.io/okhttp/)
 > - **POM License**: Apache License, Version 2.0 - [https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)