chore: bump version to 7.9.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: andehen

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 7.9.0 - 2026-02-17
+
+feat: Support device_id as bucketing identifier for local evaluation
+
 # 7.8.6 - 2026-02-09
 
 fix: limit collections scanning in code variables

posthog/version.py

@@ -1,4 +1,4 @@
-VERSION = "7.8.6"
+VERSION = "7.9.0"
 
 if __name__ == "__main__":
     print(VERSION, end="")  # noqa: T201