Update croniter to 1.3.10 (#10027)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

stubs/croniter/@tests/stubtest_allowlist.txt

@@ -0,0 +1,4 @@
+# Remove after
+# https://github.com/kiorky/croniter/pull/36
+# is merged:
+croniter.croniter.i

stubs/croniter/croniter/croniter.pyi

@@ -4,16 +4,21 @@ from collections import OrderedDict
 from collections.abc import Iterator
 from re import Match, Pattern
 from typing import Any, overload
-from typing_extensions import Literal, Self, TypeAlias
+from typing_extensions import Final, Literal, Self, TypeAlias
 
 _RetType: TypeAlias = type[float | datetime.datetime]
 
 step_search_re: Pattern[str]
 only_int_re: Pattern[str]
 star_or_int_re: Pattern[str]
-special_weekday_re: Pattern[str]
+special_dow_re: Pattern[str]
 hash_expression_re: Pattern[str]
-VALID_LEN_EXPRESSION: list[int]
+VALID_LEN_EXPRESSION: Final[list[int]]
+ALPHAS: Final[dict[str, int]]
+DOW_ALPHAS: Final[dict[str, int]]
+MONTHS: Final[str]
+M_ALPHAS: Final[dict[str, int]]
+WEEKDAYS: Final[str]
 
 def timedelta_to_seconds(td: datetime.timedelta) -> float: ...