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/crontabs.pyi

@@ -0,0 +1,25 @@
+from typing import Any
+
+from crontab import CronTab
+
+class UserSpool(list[CronTab]):
+    def __init__(self, loc: str, tabs: CronTabs | None = ...) -> None: ...
+    def listdir(self, loc: str) -> list[str]: ...
+    def get_owner(self, path: str) -> str: ...
+    def generate(self, loc: str, username: str) -> CronTab: ...
+
+class SystemTab(list[CronTab]):
+    def __init__(self, loc: str, tabs: CronTabs | None = ...) -> None: ...
+
+class AnaCronTab(list[CronTab]):
+    def __init__(self, loc: str, tabs: CronTabs | None = ...) -> None: ...
+    def add(self, loc: str, item: str, anajob) -> CronTab: ...
+
+KNOWN_LOCATIONS: list[tuple[UserSpool | SystemTab | AnaCronTab, str]]
+
+class CronTabs(list[UserSpool | SystemTab | AnaCronTab]):
+    def __new__(cls, *args: Any, **kw: Any): ...
+    def __init__(self) -> None: ...
+    def add(self, cls: type[UserSpool | SystemTab | AnaCronTab], *args: Any) -> None: ...
+    @property
+    def all(self) -> CronTab: ...