change render_to_string context type (#1306)

Author: mschoettle

django-stubs/template/engine.pyi

@@ -54,5 +54,5 @@ class Engine:
     ) -> tuple[Template, Origin]: ...
     def from_string(self, template_code: str) -> Template: ...
     def get_template(self, template_name: str) -> Template: ...
-    def render_to_string(self, template_name: str, context: Mapping[_ContextKeys, Any] | None = ...) -> SafeString: ...
+    def render_to_string(self, template_name: str, context: dict[str, Any] | None = ...) -> SafeString: ...
     def select_template(self, template_name_list: list[str]) -> Template: ...

django-stubs/template/loader.pyi

@@ -7,13 +7,12 @@ from django.utils.safestring import SafeString
 
 from . import engines as engines  # noqa: F401
 from .backends.base import _EngineTemplate
-from .context import _ContextKeys
 
 def get_template(template_name: str, using: str | None = ...) -> _EngineTemplate: ...
 def select_template(template_name_list: Sequence[str] | str, using: str | None = ...) -> Any: ...
 def render_to_string(
     template_name: Sequence[str] | str,
-    context: Mapping[_ContextKeys, Any] | None = ...,
+    context: dict[str, Any] | None = ...,
     request: HttpRequest | None = ...,
     using: str | None = ...,
 ) -> SafeString: ...