Update May 6, 2021 tracked by Updatify

go1.15.12 (released 2021-05-06)

go1.15.12 (released 2021-05-06) includes a security fix to the net/http package, as well as bug fixes to the compiler, runtime, and the archive/zip, syscall, and time packages. See the Go 1.15.12 milestone on our issue tracker for details.