Experimental v0.34.0

• @opentelemetry/sdk-metrics moved to packages/sdk-metrics
• @opentelemetry/api-metrics deprecated and merged into api

🚀 (Enhancement)

• feat(metrics-sdk): Add tracing suppresing for Metrics Export #3332 @hectorhdzg
• feat(instrumentation): implement require-in-the-middle singleton #3161 @mhassan1
• feat(sdk-node): configure trace exporter with environment variables #3143 @svetlanabrennan
• feat: enable tree shaking #3329 @pkanal
• feat(prometheus): serialize resource as target_info gauge #3300 @pichlermarc
• feat(detectors): add browser detector module #3292 @Abinet18
• deps: remove unused proto-loader dependencies and update grpc-js and proto-loader versions #3337 @seemk
• feat(metrics-exporters): configure temporality via environment variable #3305 @pichlermarc

🐛 (Bug Fix)

• fix(node-sdk): move @opentelemetry/semantic-conventions to dependencies #3283 @mhassan1
• fix(exporters): do not append trailing '/' when URL contains path #3274 @pichlermarc
• fix(instrumentation): debug log on no modules defined for instrumentation #3308 @legendecas

📚 (Refine Doc)

• docs(metrics-exporters): fix wrong exporter const name in example #3270 @pichlermarc

🏠 (Internal)

• ci(instrumentation-http): remove got devDependency
  #3347 @dyladan
• deps(instrumentation-http): move sdk-metrics to dev dependencies #3380 @pichlermarc