feat: Automated regeneration of datastream v1 client (#25438)

Auto-created at 2026-01-25 09:26:34 +0000 using the toys pull request generator.

Author: yoshi-code-bot

generated/google-apis-datastream_v1/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release history for google-apis-datastream_v1
 
+### v0.63.0 (2026-01-25)
+
+* Regenerated from discovery document revision 20260114
+
 ### v0.62.0 (2026-01-18)
 
 * Regenerated from discovery document revision 20260107