Update package.json

Increment version for release

v0.7.6

v0.7.5

v0.6.2: Catch runtime exceptions

v0.6.1: Removed console.log, npm -> yarn, dependency updates

v0.5.0: bug fix, minor api change, depsup

v0.4.0: API updates, and dependency updates

v0.3.1: fixed bigint truncation, lint free