fix: refine the nameing

Author: yen3

dlt/dlt_broker.py

@@ -281,5 +281,5 @@ def dlt_time(self):
         raise RuntimeError("Getting dlt time function is not enabled")
 
     @property
-    def is_injectable(self) -> bool:
+    def injection_support(self) -> bool:
         return bool(self._ip_address)