[release-branch.go1.23] all: updated vendored x/net with security fix

0b6d719 [internal-branch.go1.23-vendor] proxy, http/httpproxy: do not mismatch IPv6 zone ids against hosts

Fixes CVE-2025-22870
For #71985

Change-Id: Ib72c96bd0ab44d9ed2ac1428e0a9fc245464b3fc
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/2141


Commit-Queue: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Neal Patel <nealpatel@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/654695


Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Junyang Shao <shaojunyang@google.com>