go: upgrade 1.25.6 -> 1.25.7

go: upgrade 1.25.6 -> 1.25.7

Upgrade to latest 1.25.x release [1]:

$ git --no-pager log --oneline go1.25.6..go1.25.7
eaf3bc799a (tag: go1.25.7) [release-branch.go1.25] go1.25.7
c7d189e65c [release-branch.go1.25] crypto/tls: document resumption behavior across Configs
4512014530 [release-branch.go1.25] crypto/tls: revalidate whole chain on resumption on Windows and macOS
d5987bff8a [release-branch.go1.25] crypto/tls: check verifiedChains roots when resuming sessions
c2d04c0994 [release-branch.go1.25] crypto/tls: add verifiedChains expiration checking during resumption
6b1110a40f [release-branch.go1.25] Revert "crypto/tls: don't copy auto-rotated session ticket keys in Config.Clone"
0765a9d624 [release-branch.go1.25] crypto/x509: fix single label excluded name constraints handling
b19100991a [release-branch.go1.25] cmd/go: remove user-content from doc strings in cgo ASTs.
738bc3a33c [release-branch.go1.25] cmd/compile: during regalloc, fixedreg values are always available

Fixes CVE-2025-61732 and CVE-2025-68121.

Release information: [2]

[1] https://github.com/golang/go/compare/go1.25.6...go1.25.7
[2] https://groups.google.com/g/golang-announce/c/K09ubi9FQFk

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>