Enhance Github release notes#487

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ezhang6811 wants to merge 21 commits intoaws-observability:mainfrom

ezhang6811:zhaez/update-release-notes

Commits on Aug 19, 2025

Commits on Aug 22, 2025

move lambda release into SDK release workflow
ezhang6811
committed

Commits on Aug 25, 2025

Commits on Sep 5, 2025

Merge branch 'main' into zhaez/merge-releases
ezhang6811
authored

Commits on Sep 10, 2025

refactor release job order
ezhang6811
committed

Commits on Sep 11, 2025

Commits on Sep 17, 2025

Merge branch 'main' into zhaez/merge-releases
thpierce
authored

Commits on Sep 29, 2025

Commits on Oct 3, 2025

Commits on Oct 6, 2025