Fix for var-naming rule to not trigger on builtin variables and not b…

…reak on include_tasks

src/ansiblelint/rules/var_naming.py

@@ -86,6 +86,18 @@ def get_var_naming_matcherror(
             )
         return None
 
+    def filter_builtins_dbl_underscores(
+        self,
+        vars_to_filter: dict[str, Any],
+    ) -> filter[str]:
+        """Return filtered dictionary of variables."""
+        return filter(
+            lambda x: isinstance(x, str)
+            and not x.startswith("__")
+            and not x.startswith("ansible_"),
+            vars_to_filter,
+        )
+
     def matchplay(self, file: Lintable, data: dict[str, Any]) -> list[MatchError]:
         """Return matches found for a specific playbook."""
         results: list[MatchError] = []
@@ -95,7 +107,7 @@ def matchplay(self, file: Lintable, data: dict[str, Any]) -> list[MatchError]:
             return results
         # If the Play uses the 'vars' section to set variables
         our_vars = data.get("vars", {})
-        for key in our_vars:
+        for key in self.filter_builtins_dbl_underscores(our_vars):
             match_error = self.get_var_naming_matcherror(key)
             if match_error:
                 match_error.filename = str(file.path)
@@ -131,7 +143,7 @@ def matchtask(
             prefix = file.parent.path.name
         # If the task uses the 'vars' section to set variables
         our_vars = task.get("vars", {})
-        for key in our_vars:
+        for key in self.filter_builtins_dbl_underscores(our_vars):
             match_error = self.get_var_naming_matcherror(key, prefix=prefix)
             if match_error:
                 match_error.filename = filename
@@ -143,10 +155,7 @@ def matchtask(
         # breakpoint()
         ansible_module = task["action"]["__ansible_module__"]
         if ansible_module == "set_fact":
-            for key in filter(
-                lambda x: isinstance(x, str) and not x.startswith("__"),
-                task["action"].keys(),
-            ):
+            for key in self.filter_builtins_dbl_underscores(task["action"].keys()):
                 match_error = self.get_var_naming_matcherror(key, prefix=prefix)
                 if match_error:
                     match_error.filename = filename