crypto/internal/fips140/bigmod/_asm: update avo to v0.6.0
avo v0.4.0 x/tools dependency crashes while parsing with Go 1.25.
Change-Id: Ic951066b0b39b477887ad0e32be44f4d88d4c2f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/653175 Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Daniel Martà <mvdan@mvdan.cc> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>