build(deps): bump tonistiigi/xx from 1.3.0 to 1.4.0

Bumps tonistiigi/xx from 1.3.0 to 1.4.0.

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

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

Dockerfile

@@ -1,6 +1,6 @@
 ARG BASE_IMAGE=alpine
 
-FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.3.0@sha256:904fe94f236d36d65aeb5a2462f88f2c537b8360475f6342e7599194f291fb7e AS xx
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.4.0@sha256:0cd3f05c72d6c9b038eb135f91376ee1169ef3a330d34e418e65e2a5c2e9c0d4 AS xx
 
 FROM --platform=$BUILDPLATFORM golang:1.21.6-alpine3.18@sha256:3354c3a94c3cf67cb37eb93a8e9474220b61a196b13c26f1c01715c301b22a69 AS builder