feat: bump version to 5.4.0 with session_id on page method (#271)

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

Author: lricoy

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 5.4.0 - 2025-06-20
+
+- feat: add support to session_id context on page method
+
 # 5.3.0 - 2025-06-19
 
 - fix: safely handle exception values

posthog/version.py

@@ -1,4 +1,4 @@
-VERSION = "5.3.0"
+VERSION = "5.4.0"
 
 if __name__ == "__main__":
     print(VERSION, end="")  # noqa: T201