chore: prepare 7.5.0 release

Add asSet (#173)

chore: update license year

docs: update TS docstrings for positive/negative int/float validators (…

fix: restore compatibility with older create-react-app versions (#169)

fix: process.env handling for react and vite

chore: add comment explaining create-react-app workaround

fix: backward compat for create-react-app polyfill

docs: syntax error in README

chore: address coverage issue

fix: do not fail in browser and non node environments

chore: prepare for 7.3.1 release

Fix 1.0 not recognized as float (#166)