go: update 1.20.11 -> 1.20.12

go: update 1.20.11 -> 1.20.12

Upgrade to latest 1.20.x release [1]:

$ git log --oneline go1.20.11..go1.20.12
97c8ff8d53 (tag: go1.20.12, origin/release-branch.go1.20) [release-branch.go1.20] go1.20.12
6446af942e [release-branch.go1.20] net/http: limit chunked data overhead
77397ffcb2 [release-branch.go1.20] crypto/rand,runtime: revert "switch RtlGenRandom for ProcessPrng"
d77307f855 [release-branch.go1.20] cmd/compile: fix findIndVar so it does not match disjointed loop headers
1bd76576fe [release-branch.go1.20] crypto/rand,runtime: switch RtlGenRandom for ProcessPrng
1b59b017db [release-branch.go1.20] path/filepath: consider \\?\c: as a volume on Windows
46bc33819a [release-branch.go1.20] cmd/go/internal/vcs: error out if the requested repo does not support a secure protocol
e1dc209be8 [release-branch.go1.20] cmd/go/internal/modfetch/codehost: set core.longpaths in Git repos on Windows

[1] https://github.com/golang/go/compare/go1.20.11...go1.20.12

Signed-off-by: Jose Quaresma <jose.quaresma@foundries.io>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>