Overload gdb.execute return type (#11638)

stubs/gdb/gdb/__init__.pyi

@@ -5,7 +5,7 @@
 import _typeshed
 from collections.abc import Callable, Iterator, Sequence
 from contextlib import AbstractContextManager
-from typing import Protocol, final, overload
+from typing import Literal, Protocol, final, overload
 from typing_extensions import TypeAlias
 
 import gdb.types
@@ -23,7 +23,14 @@ STDOUT: int
 STDERR: int
 STDLOG: int
 
-def execute(command: str, from_tty: bool = ..., to_string: bool = ...) -> str | None: ...
+@overload
+def execute(command: str, from_tty: bool = False, to_string: Literal[False] = False) -> None: ...
+@overload
+def execute(command: str, *, to_string: Literal[True]) -> str: ...
+@overload
+def execute(command: str, from_tty: bool, to_string: Literal[True]) -> str: ...
+@overload
+def execute(command: str, from_tty: bool = False, to_string: bool = False) -> str | None: ...
 def breakpoints() -> Sequence[Breakpoint]: ...
 def rbreak(regex: str, minsyms: bool = ..., throttle: int = ..., symtabs: Iterator[Symtab] = ...) -> list[Breakpoint]: ...
 def parameter(parameter: str, /) -> bool | int | str | None: ...