This update for go1.15 fixes the following issues:

- go1.15.14 (released 2021-07-12) includes a security fix to the
crypto/tls package, as well as bug fixes to the linker, and the
net package.
CVE-2021-34558
Refs bsc#1175132 go1.15 release tracking
* bsc#1188229 go#47143 CVE-2021-34558
* go#47144 security: fix CVE-2021-34558
* go#47012 net: LookupMX behaviour broken
* go#46994 net: TestCVE202133195 fails if /etc/resolv.conf specifies ndots larger than 3
* go#46768 syscall: TestGroupCleanupUserNamespace test failure on Fedora
* go#46684 x/build/cmd/release: linux-armv6l release tests aren't passing
* go#46656 runtime: deeply nested struct initialized with non-zero values

- Fix extraneous trailing percent character %endif% in spec file.

This update was imported from the SUSE:SLE-15:Update update project.