go: upgrade 1.25.5 -> 1.25.6

go: upgrade 1.25.5 -> 1.25.6

Upgrade to latest 1.25.x release [1]:

$ git --no-pager log --oneline go1.25.5..go1.25.6
69801b25b9 (tag: go1.25.6) [release-branch.go1.25] go1.25.6
9d497df196 [release-branch.go1.25] archive/zip: reduce CPU usage in index construction
afa9b66ac0 [release-branch.go1.25] net/url: add urlmaxqueryparams GODEBUG to limit the number of query parameters
2526187481 [release-branch.go1.25] cmd/go/internal/work: sanitize flags before invoking 'pkg-config'
082365aa55 [release-branch.go1.25] cmd/go: update VCS commands to use safer flag/argument syntax
4be38528a6 [release-branch.go1.25] crypto/tls: don't copy auto-rotated session ticket keys in Config.Clone
525dd85363 [release-branch.go1.25] crypto/tls: reject trailing messages after client/server hello
ddcf27fc8c [release-branch.go1.25] Revert "errors: optimize errors.Join for single unwrappable errors"
14f50f6e3e [release-branch.go1.25] cmd/compile: handle propagating an out-of-range jump table index
4e531b2f14 [release-branch.go1.25] runtime: mark getfp as nosplit
6f07a57145 [release-branch.go1.25] runtime/race: set missing argument frame for ppc64x atomic And/Or wrappers
ea603eea37 [release-branch.go1.25] os: allow direntries to have zero inodes on Linux
93f5d1c27e [release-branch.go1.25] os,internal/poll: don't call IsNonblock for consoles and Stdin
d5bfdcbc47 [release-branch.go1.25] crypto/tls: use inner hello for earlyData when using QUIC and ECH

Fixes CVE-2025-61728, CVE-2025-61726, CVE-2025-68121, CVE-2025-61731,
      CVE-2025-68119 and CVE-2025-61730.

Release information: [2]

[1] https://github.com/golang/go/compare/go1.25.5...go1.25.6
[2] https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>