more polishing (#72)

* rename `MismatchingAcr` to `MismatchingIdTokenAcr`
* enhanced ID Token validation
* poetry update

version 1.5.3 (#60)

remove python 3.13 (#56)

add missing `attrs` dep, fixing #50 (#51)

deps update (#49)

housekeeping #25

* use https://github.com/frostming/fix-future-annotations pre-commit hook to make sure future annotations are used everywhere

* apply pyupgrade, as pre-commit check

* pre-commit autoupdate

* poetry update

hopefully last fixes before v1.2.0 (#17)

* fix ID Token validation when signature verification key does not contain an "alg" param
* fix validation of empty at_hash, c_hash, s_hash values
* do not validate the ID Token if there is no ID Token

I forgot to update the version number in pyproject.toml ... :(

fix ApiClient.__getitem__()