Added missing stub for 'Query.join()' (#1404)

* Added stub for join

* Modified the stub according to the correct signature

* Corrected type argument for join

django-stubs/db/models/sql/query.pyi

@@ -197,6 +197,9 @@ class Query(BaseExpression):
     def check_filterable(self, expression: Any) -> None: ...
     def build_lookup(self, lookups: Sequence[str], lhs: Expression | Query, rhs: Any) -> Lookup: ...
     def try_transform(self, lhs: Expression | Query, name: str) -> Transform: ...
+    def join(
+        self, join: type[BaseTable | Join], reuse: str | None = ..., reuse_with_filtered_relation: bool = ...
+    ) -> str: ...
 
 class JoinPromoter:
     connector: str