chore: prepare release 1.15 / 0.41

[pichlermarc]

1.15.0

🐛 (Bug Fix)

• fix(opentelemetry-exporter-prometheus): Update default PrometheusExporter to not append a timestamp to match the text based exposition format #3961 @JacksonWeber
• fix(sdk-metrics): Update default Histogram's boundary to match OTEL's spec #3893 @chigia001
• fix(sdk-metrics): preserve startTime for cumulative ExponentialHistograms #3934 @aabmass

🏠 (Internal)

• feat(minification): [Minification] Add noEmitHelpers, importHelpers and tslib as a dependency #3913 @MSNev

0.41.0

💥 Breaking Change

• chore(instrumentation-grpc): Drop support for package grpc. #3807 @llc1123

🚀 (Enhancement)

• feat(otlp-grpc-exporters): add support for UDS endpoints. #3853 @llc1123
• feat(otlp-exporters): bump otlp proto to 0.20.0 #3932 @pichlermarc
• feat(exporter-metrics-otlp-*): add LowMemory metrics temporality preference #3915 @martinkuba
  • Adds support for LowMemory temporality preference
  • Adds support for lowmemory in OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE

🐛 (Bug Fix)

• fix(exporter-logs-otlp-http): set useHex to true #3875 @Nico385412
• fix(otlp-proto-exporter-base): add missing type import #3937 @pichlermarc
• fix(example-opencensus-shim): avoid OpenCensus auto instrumentations #3951 @llc1123
• fix(http-intrumentation): prevent request socket null from throwing uncaught error #3858 @aodysseos

🏠 (Internal)

• chore(instrumentation-grpc): Cleanup remnants of grpc-native support. #3886 @llc1123

[codecov]

Codecov Report

Merging #3963 (116293b) into main (ea160d9) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 116293b differs from pull request most recent head f865bcc. Consider uploading reports for the commit f865bcc to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3963      +/-   ##
==========================================
- Coverage   93.14%   93.13%   -0.02%     
==========================================
  Files         298      298              
  Lines        8871     8871              
  Branches     1829     1829              
==========================================
- Hits         8263     8262       -1     
- Misses        608      609       +1     

see 1 file with indirect coverage changes

[hectorhdzg]

LGTM