Update CHANGELOG.md

Author: laura-codess

packages/toolkit/CHANGELOG.md

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 ## 3.71.0 2025-08-06
 
 - Miscellaneous non-user-facing changes
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 - **Feature** Improved connection actions for SSO
 
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->>>>>>> 9c36413c8 (Merge master into feature/ui-e2e-tests (#7680))
 ## 3.69.0 2025-07-16
 
 - **Bug Fix** SageMaker: Enable per-region manual filtering of Spaces