golang: ignore CVE-2022-30630

The CVE is in the io/fs package, which first appeared in go1.16.
Since dunfell is using go1.14, this issue does not apply.

CVE was fixed in fa2d41d0ca736f3ad6b200b2a4e134364e9acc59
Original code in b64202bc29b9c1cf0118878d1c0acc9cdb2308f6

Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Signed-off-by: Steve Sakoman <steve@sakoman.com>