feat(build): Bump from Go 1.12.16 to Go 1.13.15 (develop)
Dependency problems are starting to appear with Go 1.12.
Bump the hard requirement to Go 1.13 in develop, too.
Fixes issue canopsis/canopsis#2698.
Dependency problems are starting to appear with Go 1.12.
Bump the hard requirement to Go 1.13 in develop, too.
Fixes issue canopsis/canopsis#2698.