chore: 0.9.0 release proposal (open-telemetry#1208)

chore: 0.8.3 release proposal (open-telemetry#1122)

chore: 0.8.2 release proposal (open-telemetry#1092)

chore: change personal access token to github token (open-telemetry#1073

)

chore: 0.8.0 release proposal (open-telemetry#1046)

chore: 0.7.0 release proposal (open-telemetry#973)

* chore: 0.7.0 release proposal

* chore: update CHANGELOG.md

* chore: update CHANGELOG

chore: 0.6.1 release proposal (open-telemetry#951)

chore: 0.6.0 release proposal (open-telemetry#922)

* chore: 0.6.0 release proposal

* chore: update getting-started version

chore: 0.5.2 release proposal (open-telemetry#907)

chore: 0.5.1 release proposal (open-telemetry#883)

* chore: 0.5.1 release proposal

* chore: update changelog to match previous