testing/jfrog-cli: disable on mips64 due to build error

Fails with:

> # github.com/pkg/term/termios
> ../../../../../go/pkg/mod/github.com/pkg/term@v0.0.0-20190109203006-aa71e9d9e942/termios/termios_linux.go:78:61:
> attr.Ispeed undefined (type *syscall.Termios has no field or method Ispeed)
> ../../../../../go/pkg/mod/github.com/pkg/term@v0.0.0-20190109203006-aa71e9d9e942/termios/termios_linux.go:81:61:
> attr.Ospeed undefined (type *syscall.Termios has no field or method Ospeed)

testing/jfrog-cli/APKBUILD

@@ -4,7 +4,7 @@ pkgver=1.36.0
 pkgrel=0
 pkgdesc="JFrog cli"
 url="https://jfrog.com/getcli/"
-arch="all"
+arch="all !mips !mips64" # ftbfs
 license="Apache-2.0"
 makedepends="go"
 options="!check"