Avoid N802 violations for @overload methods (#7498)

Close #7479

The `@override` was already implemented

## Test Plan

Tested the code in the issue. After removing all the noqa's, only one
occurrence of `BadName()` raised a violation.
Added a fixture

crates/ruff/resources/test/fixtures/pep8_naming/N802.py

@@ -41,9 +41,13 @@ def testTest(self):
         assert True
 
 
-from typing import override
+from typing import override, overload
 
 
 @override
 def BAD_FUNC():
     pass
+
+@overload
+def BAD_FUNC():
+    pass

crates/ruff/src/rules/pep8_naming/rules/invalid_function_name.rs

@@ -70,9 +70,12 @@ pub(crate) fn invalid_function_name(
         return None;
     }
 
-    // Ignore any functions that are explicitly `@override`. These are defined elsewhere,
-    // so if they're first-party, we'll flag them at the definition site.
-    if visibility::is_override(decorator_list, semantic) {
+    // Ignore any functions that are explicitly `@override` or `@overload`.
+    // These are defined elsewhere, so if they're first-party,
+    // we'll flag them at the definition site.
+    if visibility::is_override(decorator_list, semantic)
+        || visibility::is_overload(decorator_list, semantic)
+    {
         return None;
     }