[chore] Prepare release 0.76.0/1.0.0-rc10 (#7569)

The following commands were run to prepare this release:
- make chlog-update VERSION=v0.76.0/v1.0.0-rc10
- make prepare-release GH=none PREVIOUS_VERSION=1.0.0-rc9 RELEASE_CANDIDATE=1.0.0-rc10 MODSET=stable
- make prepare-release GH=none PREVIOUS_VERSION=0.75.0 RELEASE_CANDIDATE=0.76.0 MODSET=beta

Author: opentelemetrybot