devel/gocritic: update to 0.6.7

• ship new gocritic-analysis binary
• set PKGVERSION as program version in binary

Changelog: https://github.com/go-critic/go-critic/releases/tag/v0.6.7
Changelog: https://github.com/go-critic/go-critic/releases/tag/v0.6.6

Approved by: flo (mentor)
Differential Revision: https://reviews.freebsd.org/D38727