Update CHANGELOG for version 1.6.0

Update CHANGELOG for version 1.6.0

Merge pull request #303 from microsoft/stevosyan/failure-details-bug-fix

Bug fix for correctly generating the `ExecutionCompletedEvent`

Updating the CHANGELOG for v1.5.3 Release

Updating the CHANGELOG for v1.5.3 Release

Merge pull request #276 from microsoft/cgillum/fix178

Update terminate logic to handle scheduled orchestrations

Use Singleton Metrics Provider for Listener (#285)

* initial commit

* update version

* add nullable makr

* udpate test

* remove back to v1.5.1

* Fix typo in CHANGELOG.md entry

* Update Directory.Packages.props

* update scalemonitor and target scaler per functionid

* update comments

* update by comments:

* add query metrics throttle

* refactor code a little bit:

Update Durabletask Dependencies for v1.5.0 Release (#281)

* initial commit

* add changelog

* udpate test to align with the new veresion

* Update CHANGELOG.md

* udpate version to 2.0.0

* revert back to v1.5.0

* Update CHANGELOG.md

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Co-authored-by: Chris Gillum <[email protected]>

Add target based scaling support for MSSQL (#169)

Co-authored-by: Chris Gillum <[email protected]>

Added missing Rollback transaction (#219)

Co-authored-by: Benjamin HUGOT <[email protected]>

Updates for v1.2.3 release. (#210)

Increment versions (to v1.2.2) (#202)

* Also updated schema version validation in test code