lint: various non-semantic fixes

bumping fail-under for pylint to 9.72

app/models/activity.py

@@ -3,6 +3,7 @@ from typing import Any, Optional
 
 import requests
 
+from app.brm.brn import BRN
 from app.models import AbstractConfiguration
 from app.extensions import db
 
@@ -49,6 +50,16 @@ class Webhook(AbstractConfiguration):
     format = db.Column(db.String(20))
     url = db.Column(db.String(255))
 
+    @property
+    def brn(self) -> BRN:
+        return BRN(
+            group_id=0,
+            product="notify",
+            provider=self.format,
+            resource_type="conf",
+            resource_id=self.id
+        )
+
     def send(self, text: str) -> None:
         if self.format == "telegram":
             data = {"text": text}