v0.7.8

What's Changed

• Improve exec command by @csweichel in #161
• Allow const as argdep by @csweichel in #164
• Bump github.com/cyphar/filepath-securejoin from 0.2.3 to 0.2.4 by @dependabot in #163

Full Changelog: v0.7.7...v0.7.8