Upgrade Go FIPS image version to 1.18.7
What does this MR do?
The Go 1.18.7 update was just merged to the go1.18-openssl-fips
branch in https://github.com/golang-fips/go/pull/52.
Go 1.18.7 announcement: https://groups.google.com/g/golang-announce/c/xtuG5faxtaU
Why was this MR needed?
Part of &8843 (closed)
Edited by Stan Hu