Merge prerelease branch for 1.26.0 beta.1 back to main (#5752)

* beta-release-beta version bump

* Collect CHANGELOG

* Groom changelog beta release beta/1.26.0 beta.1 (#5735)

* Create groom me file for groom changelog branch

* groom beta changelog

* Add changelog for adding code and subcode to calling errors

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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Add cherry-picked bug fix to changelog

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Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: mgamis-msft