fix(resource-manager): flush custom tracer provider if provided#1469

hassiebp merged 3 commits intomainlangfuse/langfuse-python:mainfrom

hassieb/lfe-7980-bug-sdk-python-doesnt-flushshutdown-isolated-tracerproviderlangfuse/langfuse-python:hassieb/lfe-7980-bug-sdk-python-doesnt-flushshutdown-isolated-tracerproviderCopy head branch name to clipboard