chore(main): release 5.0.0-alpha.21.5 (#189)

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

Author: github-actions[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "5.0.0-alpha.21.4"
+  ".": "5.0.0-alpha.21.5"
 }

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [5.0.0-alpha.21.5](https://github.com/fable-compiler/Fable.Python/compare/v5.0.0-alpha.21.4...v5.0.0-alpha.21.5) (2025-12-21)
+
+
+### Bug Fixes
+
+* remove XUnit dependency from Testing module ([3a35e44](https://github.com/fable-compiler/Fable.Python/commit/3a35e4404624a0c2c13b8c869ff987ac7c81a7d7))
+
 ## [5.0.0-alpha.21.4](https://github.com/fable-compiler/Fable.Python/compare/v5.0.0-alpha.21.4...v5.0.0-alpha.21.4) (2025-12-21)