* .NET: [Durable Agents] Update CHANGELOG with release notes for past releases
Backfills the CHANGELOG.md files with the last several updates.
* Update dotnet/src/Microsoft.Agents.AI.DurableTask/CHANGELOG.md
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Update the Azure Functions changelog and add GHCP changelog instructions for these projects
* Tweak instructions
* Remove the timestamp requirement
* Rename instructions file
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Chris Gillum