Add stubs for python-cronlog (#8917)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

stubs/python-crontab/cronlog.pyi

@@ -0,0 +1,32 @@
+from _typeshed import Self, StrOrBytesPath
+from codecs import StreamReaderWriter
+from collections.abc import Generator, Iterator
+from types import TracebackType
+
+MATCHER: str
+
+class LogReader:
+    filename: StrOrBytesPath
+    mass: int
+    size: int
+    read: int
+    pipe: StreamReaderWriter | None
+    def __init__(self, filename: StrOrBytesPath, mass: int = ...) -> None: ...
+    def __enter__(self: Self) -> Self: ...
+    def __exit__(
+        self, error_type: type[BaseException] | None, value: BaseException | None, traceback: TracebackType | None
+    ) -> None: ...
+    def __iter__(self) -> Iterator[str]: ...
+    def readlines(self, until: int = ...) -> Generator[tuple[int, str], None, None]: ...
+
+class CronLog(LogReader):
+    user: str | None
+    def __init__(self, filename: StrOrBytesPath = ..., user: str | None = ...) -> None: ...
+    def for_program(self, command: str) -> ProgramLog: ...
+    def __iter__(self) -> dict[str, str | None]: ...  # type: ignore[override]
+
+class ProgramLog:
+    log: CronLog
+    command: str
+    def __init__(self, log: CronLog, command: str) -> None: ...
+    def __iter__(self) -> dict[str, str | None]: ...