docs: Add changelog entry for Craft automation and workflow fix

Documents the addition of PowerShell version update script and the
revert from GITHUB_WORKFLOW_REF back to _workflow_version parameter.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: vaind

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Fixes
+
+- Add Craft release automation with PowerShell version update script and revert to `_workflow_version` input parameter instead of `GITHUB_WORKFLOW_REF` which doesn't work when called from other repositories ([#111](https://github.com/getsentry/github-workflows/pull/111))
+
 ## 2.14.1
 
 ### Fixes