feat(profiling): Implement OtlpProfileUploader for OTLP format uploads

- Add OtlpProfileUploader class implementing RecordingDataListener
- Read configuration from ConfigProvider for testability
- Support GZIP compression (configurable via boolean flag)
- Use JfrToOtlpConverter to transform JFR recordings to OTLP format
- Derive OTLP endpoint from agent URL (port 4318, /v1/profiles)
- Handle both synchronous and asynchronous uploads
- Use TempLocationManager for temp file creation
- Add profiling-otel dependency to profiling-uploader module
- Add basic unit tests for OtlpProfileUploader

Configuration options:
- profiling.otlp.enabled (default: false)
- profiling.otlp.url (default: derived from agent URL)
- profiling.otlp.compression.enabled (default: true)
- profiling.otlp.include.original.payload (default: false)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: jbachorik

dd-java-agent/agent-profiling/profiling-uploader/build.gradle

@@ -28,6 +28,7 @@ dependencies {
   implementation project(':utils:version-utils')
 
   implementation project(':dd-java-agent:agent-profiling:profiling-controller')
+  implementation project(':dd-java-agent:agent-profiling:profiling-otel')
 
   implementation libs.okhttp
   implementation libs.lz4