package/go: security bump to version 1.19.4

Includes 2 security fixes following the security policy.

 - CVE-2022-41720: https://go.dev/issue/56694
 - CVE-2022-41717: https://go.dev/issue/56350

https://groups.google.com/g/golang-nuts/c/rQgaDWEvUrE
https://github.com/golang/go/issues?q=milestone%3AGo1.19.4+label%3ACherryPickApproved+



Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>