🌱 Bump github.com/moby/buildkit from 0.26.3 to 0.28.1

Bumps [github.com/moby/buildkit](https://github.com/moby/buildkit) from 0.26.3 to 0.28.1.
- [Release notes](https://github.com/moby/buildkit/releases)
- [Commits](moby/buildkit@v0.26.3...v0.28.1)

---
updated-dependencies:
- dependency-name: github.com/moby/buildkit
  dependency-version: 0.28.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/grafeas/kritis v0.2.3-0.20210120183821-faeba81c520c
 	github.com/h2non/filetype v1.1.3
 	github.com/jszwec/csvutil v1.10.0
-	github.com/moby/buildkit v0.26.3
+	github.com/moby/buildkit v0.28.1
 	github.com/olekukonko/tablewriter v1.0.9
 	github.com/onsi/gomega v1.39.1
 	github.com/rhysd/actionlint v1.7.9
@@ -88,7 +88,7 @@ require (
 	github.com/cloudflare/circl v1.6.3 // indirect
 	github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5 // indirect
 	github.com/compose-spec/compose-go/v2 v2.8.1 // indirect
-	github.com/containerd/cgroups/v3 v3.1.0 // indirect
+	github.com/containerd/cgroups/v3 v3.1.2 // indirect
 	github.com/containerd/containerd v1.7.29 // indirect
 	github.com/containerd/containerd/api v1.10.0 // indirect
 	github.com/containerd/continuity v0.4.5 // indirect
@@ -123,20 +123,20 @@ require (
 	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
-	github.com/go-openapi/jsonpointer v0.22.1 // indirect
-	github.com/go-openapi/jsonreference v0.21.3 // indirect
-	github.com/go-openapi/swag v0.25.3 // indirect
-	github.com/go-openapi/swag/cmdutils v0.25.3 // indirect
-	github.com/go-openapi/swag/conv v0.25.3 // indirect
-	github.com/go-openapi/swag/fileutils v0.25.3 // indirect
-	github.com/go-openapi/swag/jsonname v0.25.3 // indirect
-	github.com/go-openapi/swag/jsonutils v0.25.3 // indirect
-	github.com/go-openapi/swag/loading v0.25.3 // indirect
-	github.com/go-openapi/swag/mangling v0.25.3 // indirect
-	github.com/go-openapi/swag/netutils v0.25.3 // indirect
-	github.com/go-openapi/swag/stringutils v0.25.3 // indirect
-	github.com/go-openapi/swag/typeutils v0.25.3 // indirect
-	github.com/go-openapi/swag/yamlutils v0.25.3 // indirect
+	github.com/go-openapi/jsonpointer v0.22.4 // indirect
+	github.com/go-openapi/jsonreference v0.21.4 // indirect
+	github.com/go-openapi/swag v0.25.4 // indirect
+	github.com/go-openapi/swag/cmdutils v0.25.4 // indirect
+	github.com/go-openapi/swag/conv v0.25.4 // indirect
+	github.com/go-openapi/swag/fileutils v0.25.4 // indirect
+	github.com/go-openapi/swag/jsonname v0.25.4 // indirect
+	github.com/go-openapi/swag/jsonutils v0.25.4 // indirect
+	github.com/go-openapi/swag/loading v0.25.4 // indirect
+	github.com/go-openapi/swag/mangling v0.25.4 // indirect
+	github.com/go-openapi/swag/netutils v0.25.4 // indirect
+	github.com/go-openapi/swag/stringutils v0.25.4 // indirect
+	github.com/go-openapi/swag/typeutils v0.25.4 // indirect
+	github.com/go-openapi/swag/yamlutils v0.25.4 // indirect
 	github.com/go-restruct/restruct v1.2.0-alpha // indirect
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
@@ -172,7 +172,7 @@ require (
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/olekukonko/errors v1.1.0 // indirect
 	github.com/olekukonko/ll v0.0.9 // indirect
-	github.com/opencontainers/runtime-spec v1.2.1 // indirect
+	github.com/opencontainers/runtime-spec v1.3.0 // indirect
 	github.com/opencontainers/selinux v1.13.1 // indirect
 	github.com/ossf/osv-schema/bindings/go v0.0.0-20251230224438-88c48750ddae // indirect
 	github.com/otiai10/mint v1.6.3 // indirect
@@ -300,7 +300,7 @@ require (
 	go.uber.org/mock v0.6.0
 	golang.org/x/crypto v0.48.0 // indirect
 	golang.org/x/exp v0.0.0-20250911091902-df9299821621 // indirect
-	golang.org/x/net v0.50.0 // indirect
+	golang.org/x/net v0.51.0 // indirect
 	golang.org/x/oauth2 v0.35.0
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.41.0 // indirect