[website_docs] Rework releases and other info (#3885)
[website_docs] Rework releases and other info (#3885)

Contributes to https://github.com/open-telemetry/opentelemetry.io/issues/905
open-telemetry/opentelemetry-java,open-telemetry/opentelemetry-java,open-telemetry/opentelemetry-java