[docker] Fix context.Context methods (#16133)

Author: donbarbos

stubs/docker/docker/context/context.pyi

@@ -1,5 +1,6 @@
-from collections.abc import Mapping
-from typing import Any, TypedDict, type_check_only
+from typing import TypedDict, type_check_only
+
+from docker.tls import TLSConfig as _TLSConfig
 
 @type_check_only
 class _StorageData(TypedDict):
@@ -14,9 +15,10 @@ class _Storage(TypedDict):
 class _Endpoint(TypedDict, total=False):
     Host: str
     SkipTLSVerify: bool
+    DefaultNamespace: str
 
 @type_check_only
-class _TLSMaterial:
+class _TLSMaterial(TypedDict):
     TLSMaterial: dict[str, list[str]]
 
 @type_check_only
@@ -27,38 +29,41 @@ class _MetaMetaData(TypedDict, total=False):
 class _Metadata(TypedDict):
     Name: str
     Metadata: _MetaMetaData
-    Endpoints: Mapping[str, _Endpoint]
+    Endpoints: dict[str, _Endpoint]
+
+@type_check_only
+class _Context(_Metadata, _TLSMaterial, _Storage): ...
 
 class Context:
     name: str
     context_type: str | None
     orchestrator: str | None
     endpoints: dict[str, _Endpoint]
-    tls_cfg: dict[str, Any]
+    tls_cfg: dict[str, _TLSConfig]
     meta_path: str
     tls_path: str
     def __init__(
         self,
         name: str,
         orchestrator: str | None = None,
         host: str | None = None,
-        endpoints: Mapping[str, _Endpoint] | None = None,
+        endpoints: dict[str, _Endpoint] | None = None,
         tls: bool = False,
     ) -> None: ...
     def set_endpoint(
         self,
         name: str = "docker",
         host: str | None = None,
-        tls_cfg: Mapping[str, Any] | None = None,
+        tls_cfg: _TLSConfig | None = None,
         skip_tls_verify: bool = False,
         def_namespace: str | None = None,
     ) -> None: ...
-    def inspect(self) -> Mapping[str, Any]: ...
+    def inspect(self) -> _Context: ...
     @classmethod
     def load_context(cls, name: str) -> Context | None: ...
     def save(self) -> None: ...
     def remove(self) -> None: ...
-    def __call__(self) -> Mapping[str, Any]: ...
+    def __call__(self) -> _Context: ...
     def is_docker_host(self) -> bool: ...
     @property
     def Name(self) -> str: ...
@@ -69,7 +74,7 @@ class Context:
     @property
     def Metadata(self) -> _Metadata: ...
     @property
-    def TLSConfig(self) -> Any: ...
+    def TLSConfig(self) -> _TLSConfig: ...
     @property
     def TLSMaterial(self) -> _TLSMaterial: ...
     @property