Bump github.com/docker/buildx in /tools in the tools group

Bumps the tools group in /tools with 1 update: [github.com/docker/buildx](https://github.com/docker/buildx).


Updates `github.com/docker/buildx` from 0.16.0 to 0.16.1
- [Release notes](https://github.com/docker/buildx/releases)
- [Commits](docker/buildx@v0.16.0...v0.16.1)

---
updated-dependencies:
- dependency-name: github.com/docker/buildx
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tools
...

Signed-off-by: dependabot[bot] <[email protected]>

tools/go.mod

@@ -3,7 +3,7 @@ module github.com/submariner-io/shipyard/tools
 go 1.22.0
 
 require (
-	github.com/docker/buildx v0.16.0
+	github.com/docker/buildx v0.16.1
 	github.com/golangci/golangci-lint v1.59.1
 	github.com/mikefarah/yq/v4 v4.44.2
 	github.com/psampaz/go-mod-outdated v0.9.0

tools/go.sum

@@ -230,8 +230,8 @@ github.com/distribution/distribution/v3 v3.0.0-20230214150026-36d8c594d7aa h1:L9
 github.com/distribution/distribution/v3 v3.0.0-20230214150026-36d8c594d7aa/go.mod h1:WHNsWjnIn2V1LYOrME7e8KxSeKunYHsxEm4am0BUtcI=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
-github.com/docker/buildx v0.16.0 h1:LurEflyb6BBoLtDwJY1dw9dLHKzEgGvCjAz67QI0xO0=
-github.com/docker/buildx v0.16.0/go.mod h1:4xduW7BOJ2B11AyORKZFDKjF6Vcb4EgTYnV2nunxv9I=
+github.com/docker/buildx v0.16.1 h1:Nl0gQAUaREjD6G+hYnwUghVmhHpi8LHMaLIQzGCstYo=
+github.com/docker/buildx v0.16.1/go.mod h1:4xduW7BOJ2B11AyORKZFDKjF6Vcb4EgTYnV2nunxv9I=
 github.com/docker/cli v27.0.3+incompatible h1:usGs0/BoBW8MWxGeEtqPMkzOY56jZ6kYlSN5BLDioCQ=
 github.com/docker/cli v27.0.3+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/cli-docs-tool v0.8.0 h1:YcDWl7rQJC3lJ7WVZRwSs3bc9nka97QLWfyJQli8yJU=