[release/v1.17.x-0.38bx] Prepare release 1.17.0/0.38b0 (open-telemetr…

…y#3229)

Update version to 1.18.0.dev/0.39b0.dev (open-telemetry#3228)

[release/v1.16.x-0.37bx] Prepare release 1.16.0/0.37b0 (open-telemetr…

…y#3177)

[release/v1.15.x-0.36bx] Prepare release 1.15.0/0.36b0 (open-telemetr…

…y#3083)

[release/v1.14.x-0.35bx] Prepare release 1.14.0/0.35b0 (open-telemetr…

…y#3015)

updating changelogs and version to 1.13.0-0.34b0 (open-telemetry#2950)

Release 1.12.0-0.33b0 (open-telemetry#2865)

Release 1.12.0rc2-0.32b0 (open-telemetry#2795)

* Release 1.12.0rc2-0.32b0

* Update CHANGELOG.md

Co-authored-by: Srikanth Chekuri <[email protected]>

Co-authored-by: Srikanth Chekuri <[email protected]>

Release 1.12.0rc1-0.31b0 (open-telemetry#2698)

Release/1.11.1 0.30b1 (open-telemetry#2634)