Security update for go1.21

Open Source Vulnerabilities SUSE-SU-2023:4709-1

This update for go1.21 fixes the following issues: Update to go1.21.5: - CVE-2023-45285: cmd/go: git VCS qualifier in module path uses git:// scheme (bsc#1217834). - CVE-2023-45284: path/filepath: Clean removes ending slash for volume on Windows in Go 1.21.4 (bsc#1216943). - CVE-2023-39326: net/http: limit chunked data overhead (bsc#1217833). - cmd/go: go mod download needs to support toolchain upgrades - cmd/compile: invalid pointer found on stack when compiled with -race - os: NTFS deduped file changed from regular to irregular - net: TCPConn.ReadFrom hangs when io.Reader is TCPConn or UnixConn, Linux kernel < 5.1 - cmd/compile: internal compiler error: panic during prove while compiling: unexpected induction with too many parents - syscall: TestOpenFileLimit unintentionally runs on non-Unix platforms - runtime: self-deadlock on mheap_.lock - crypto/rand: Legacy RtlGenRandom use on Windows