python3-typing-extensions: Update to version 4.1.1

python3-typing-extensions: Update to version 4.1.1

- Update from 4.0.1 to 4.1.1
- Update of rootfile
- Changelog
   # Release 4.1.1 (February 13, 2022)
	- Fix importing `typing_extensions` on Python 3.7.0 and 3.7.1. Original
	  patch by Nikita Sobolev (@sobolevn).
   # Release 4.1.0 (February 12, 2022)
	- Runtime support for PEP 646, adding `typing_extensions.TypeVarTuple`
	  and `typing_extensions.Unpack`.
	- Add interaction of `Required` and `NotRequired` with `__required_keys__`,
	  `__optional_keys__` and `get_type_hints()`. Patch by David Cabot (@d-k-bo).
	- Runtime support for PEP 675 and `typing_extensions.LiteralString`.
	- Add `Never` and `assert_never`. Backport from bpo-46475.
	- `ParamSpec` args and kwargs are now equal to themselves. Backport from
	  bpo-46676. Patch by Gregory Beauregard (@GBeauregard).
	- Add `reveal_type`. Backport from bpo-46414.
	- Runtime support for PEP 681 and `typing_extensions.dataclass_transform`.
	- `Annotated` can now wrap `ClassVar` and `Final`. Backport from
	  bpo-46491. Patch by Gregory Beauregard (@GBeauregard).
	- Add missed `Required` and `NotRequired` to `__all__`. Patch by
	  Yuri Karabas (@uriyyo).
	- The `@final` decorator now sets the `__final__` attribute on the
	  decorated object to allow runtime introspection. Backport from
	  bpo-46342.
	- Add `is_typeddict`. Patch by Chris Moradi (@chrismoradi) and James
	  Hilton-Balfe (@Gobot1234).

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>