update golang to 1.18.2
go1.18.2 (released 2022-05-10) includes security fixes to the syscall package,
as well as bug fixes to the compiler, runtime, the go command, and the crypto/x509,
go/types, net/http/httptest, reflect, and sync/atomic packages. See the Go 1.18.2
milestone on the issue tracker for details:
https://github.com/golang/go/issues?q=milestone%3AGo1.18.2+label%3ACherryPickApproved
Full diff: http://github.com/golang/go/compare/go1.18.1...go1.18.2
Includes fixes for:
- CVE-2022-29526 (http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29526);
(description at https://go.dev/issue/52313).
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>