build(deps): bump tonistiigi/xx from 1.7.0 to 1.8.0

Bumps tonistiigi/xx from 1.7.0 to 1.8.0.

---
updated-dependencies:
- dependency-name: tonistiigi/xx
  dependency-version: 1.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -52,7 +52,7 @@ ARG NYDUS_VERSION=v2.3.5
 ARG SOCI_SNAPSHOTTER_VERSION=0.11.1
 ARG KUBO_VERSION=v0.37.0
 
-FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.7.0@sha256:010d4b66aed389848b0694f91c7aaee9df59a6f20be7f5d12e53663a37bd14e2 AS xx
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.8.0@sha256:add602d55daca18914838a78221f6bbe4284114b452c86a48f96d59aeb00f5c6 AS xx
 
 
 FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-trixie AS build-base