## DataDog/dd-trace-py — v4.15.2…v4.15.3

_9 commits._

### Fixes
- **fix(runtime-metrics): prevent gc stopping due to deadlock in gc monitor (#20624)** (779fd48)
- **fix(native): bump libdatadog v43.0.0 → v43.0.1 [backport 4.15] (#20575)** (94ef8b5)
- **fix(llmobs): keep partial bedrock stream output when the stream errors [backport 4.15] (#20562)** (a95cbbd)
- **fix(profiling): correctly chain in signal handler [backport 4.15] (#20567)** (ba8fff2)
- **fix(llmobs): build partial OpenAI response when a stream errors [backport 4.15] (#20521)** (a2cc134)

### Chore
- **chore: bump version to 4.15.3 (#20630)** (3c2beeb)
- **ci: enable proxy for test jobs (#20626)** (5f4caf1)
- **ci: update system-tests version (#20625)** (7dd45b4)
- **chore(litellm): fix failing test [backport 4.15] (#20522)** (605f67b)

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