fix: allow any characters in task name match pattern

Signed-off-by: Shingo OKAWA <shingo.okawa.g.h.c@gmail.com>

Author: ognis1205

src/a2a/utils/proto_utils.py

@@ -18,10 +18,8 @@
 
 
 # Regexp patterns for matching
-_TASK_NAME_MATCH = r'tasks/([a-zA-Z0-9_.-]+)'
-_TASK_PUSH_CONFIG_NAME_MATCH = (
-    r'tasks/([a-zA-Z0-9_.-]+)/pushNotificationConfigs/([a-zA-Z0-9_.-]+)'
-)
+_TASK_NAME_MATCH = r'tasks/([^/]+)'
+_TASK_PUSH_CONFIG_NAME_MATCH = r'tasks/([^/]+)/pushNotificationConfigs/([^/]+)'
 
 
 class ToProto: