[release/v1.28.x-0.49bx] Remove updating CHANGELOG step in release workflow (#3000)#3009

aabmass merged 2 commits intoopen-telemetry:release/v1.28.x-0.49bxopen-telemetry/opentelemetry-python-contrib:release/v1.28.x-0.49bxfrom

aabmass:cherrypick-3000aabmass/opentelemetry-python-contrib:cherrypick-3000Copy head branch name to clipboard