Release v1.6.0/v0.99.0

[github-actions[bot]]

trafficstars

Like #4522, but for v1.6.0/v0.99.0 Performed by collector release manager

• [x] Prepare core release v1.6.0/v0.99.0
• [x] Tag and release core v1.6.0/v0.99.0
• [x] Prepare contrib release v0.99.0
• [x] Tag and release contrib v0.99.0
• [x] Prepare otelcol-releases v0.99.0
• [x] Release binaries and container images v0.99.0

Performed by operator maintainers

• [ ] https://github.com/open-telemetry/opentelemetry-operator/issues/2889

Performed by helm chart maintainers

• [x] https://github.com/open-telemetry/opentelemetry-helm-charts/issues/1157

[codeboten]

First step is blocked by https://github.com/open-telemetry/opentelemetry-collector/issues/10014

[codeboten]

Releases repo tagged https://github.com/open-telemetry/opentelemetry-collector-releases/releases/tag/v0.99.0

[codeboten]

This is now complete