fix TS resolution for CJS package types (#29)

* limit typescript dependency to patch releases
typescript is known to not follow semver and introduce breaking changes in minor versions

* fix typescript resolution for cjs package types

* add attw check to test script
change prepare script to prepublishOnly: attw calls npm pack which in turn would call prepare and then deadlock

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Co-authored-by: Steven Levithan <[email protected]>

Author: tao-cumplido