[release/v1.44.x] Prepare release 1.44.0 (open-telemetry#1760)

Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>

[release/v1.43.x] Prepare release 1.43.0 (open-telemetry#1654)

[release/v1.42.x] Prepare release 1.42.0 (open-telemetry#1599)

[release/v1.41.x] Prepare release 1.41.0 (open-telemetry#1562)

[release/v1.40.x] Prepare release 1.40.0 (open-telemetry#1508)

[release/v1.39.x] Prepare release 1.39.0 (open-telemetry#1461)

[release/v1.38.x] Fix incorrect SDK version included in release notes (…

…open-telemetry#1428)

Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>

[release/v1.37.x] Prepare release 1.37.0 (open-telemetry#1387)

[release/v1.36.x] Prepare release 1.36.0 (open-telemetry#1327)

[release/v1.35.x] Prepare release 1.35.0 (open-telemetry#1280)