build(deps): bump tonistiigi/xx from 1.5.0 to 1.6.1

Bumps tonistiigi/xx from 1.5.0 to 1.6.1.

---
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=$BUILDPLATFORM tonistiigi/xx:1.5.0@sha256:0c6a569797744e45955f39d4f7538ac344bfb7ebf0a54006a0a4297b153ccf0f AS xx
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.6.1@sha256:923441d7c25f1e2eb5789f82d987693c47b8ed987c4ab3b075d6ed2b5d6779a3 AS xx
 
 FROM --platform=$BUILDPLATFORM golang:1.23.3-alpine3.20@sha256:c694a4d291a13a9f9d94933395673494fc2cc9d4777b85df3a7e70b3492d3574 AS builder