Use TypedDicts for logging.config.dictConfig (#6193)

Co-authored-by: Akuli <akuviljanen17@gmail.com>

stdlib/logging/config.pyi

@@ -3,12 +3,14 @@ from _typeshed import StrOrBytesPath, StrPath
 from collections.abc import Callable
 from configparser import RawConfigParser
 from threading import Thread
-from typing import IO, Any, Pattern
+from typing import IO, Any, Pattern, Sequence
+
+from . import _Level
 
 if sys.version_info >= (3, 8):
-    from typing import Literal
+    from typing import Literal, TypedDict
 else:
-    from typing_extensions import Literal
+    from typing_extensions import Literal, TypedDict
 
 if sys.version_info >= (3, 7):
     _Path = StrOrBytesPath
@@ -19,7 +21,29 @@ DEFAULT_LOGGING_CONFIG_PORT: int
 RESET_ERROR: int  # undocumented
 IDENTIFIER: Pattern[str]  # undocumented
 
-def dictConfig(config: dict[str, Any]) -> None: ...
+class _RootLoggerConfiguration(TypedDict, total=False):
+    level: _Level
+    filters: Sequence[str]
+    handlers: Sequence[str]
+
+class _LoggerConfiguration(_RootLoggerConfiguration, TypedDict, total=False):
+    propagate: bool
+
+class _OptionalDictConfigArgs(TypedDict, total=False):
+    # these two can have custom factories (key: `()`) which can have extra keys
+    formatters: dict[str, dict[str, Any]]
+    filters: dict[str, dict[str, Any]]
+    # type checkers would warn about extra keys if this was a TypedDict
+    handlers: dict[str, dict[str, Any]]
+    loggers: dict[str, _LoggerConfiguration]
+    root: _RootLoggerConfiguration | None
+    incremental: bool
+    disable_existing_loggers: bool
+
+class _DictConfigArgs(_OptionalDictConfigArgs, TypedDict):
+    version: Literal[1]
+
+def dictConfig(config: _DictConfigArgs) -> None: ...
 
 if sys.version_info >= (3, 10):
     def fileConfig(