chore(deps): bump github.com/moby/buildkit in /tests

Bumps [github.com/moby/buildkit](https://github.com/moby/buildkit) from 0.28.0 to 0.28.1.
- [Release notes](https://github.com/moby/buildkit/releases)
- [Commits](moby/buildkit@v0.28.0...v0.28.1)

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

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

Author: dependabot[bot]

tests/go.mod

@@ -87,13 +87,13 @@ require (
 	github.com/mattn/go-runewidth v0.0.19 // indirect
 	github.com/mattn/go-shellwords v1.0.12 // indirect
 	github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
-	github.com/moby/buildkit v0.28.0 // indirect
+	github.com/moby/buildkit v0.28.1 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/go-archive v0.2.0 // indirect
 	github.com/moby/locker v1.0.1 // indirect
 	github.com/moby/moby/api v1.54.0 // indirect
 	github.com/moby/moby/client v0.3.0 // indirect
-	github.com/moby/patternmatcher v0.6.0 // indirect
+	github.com/moby/patternmatcher v0.6.1 // indirect
 	github.com/moby/sys/atomicwriter v0.1.0 // indirect
 	github.com/moby/sys/capability v0.4.0 // indirect
 	github.com/moby/sys/sequential v0.6.0 // indirect

tests/go.sum

@@ -256,8 +256,8 @@ github.com/mattn/go-shellwords v1.0.12 h1:M2zGm7EW6UQJvDeQxo4T51eKPurbeFbe8WtebG
 github.com/mattn/go-shellwords v1.0.12/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
 github.com/mitchellh/hashstructure/v2 v2.0.2 h1:vGKWl0YJqUNxE8d+h8f6NJLcCJrgbhC4NcD46KavDd4=
 github.com/mitchellh/hashstructure/v2 v2.0.2/go.mod h1:MG3aRVU/N29oo/V/IhBX8GR/zz4kQkprJgF2EVszyDE=
-github.com/moby/buildkit v0.28.0 h1:rKulfRRSduHJPNpLTk481fHElqN9tps0VUx8YV/5zsA=
-github.com/moby/buildkit v0.28.0/go.mod h1:RCuOcj/bVsCriBG8NeFzRxjiCFQKnKP7KOVlNTS18t4=
+github.com/moby/buildkit v0.28.1 h1:Tq6H6gOMU2JyEQ5rA0pa7Ey3VGNR3qpw90liSIpMQoo=
+github.com/moby/buildkit v0.28.1/go.mod h1:xO6wb9VBXszkIBxaGTLXc1rQORVQFIJRt3GSX7KzCFc=
 github.com/moby/docker-image-spec v1.3.1 h1:jMKff3w6PgbfSa69GfNg+zN/XLhfXJGnEx3Nl2EsFP0=
 github.com/moby/docker-image-spec v1.3.1/go.mod h1:eKmb5VW8vQEh/BAr2yvVNvuiJuY6UIocYsFu/DxxRpo=
 github.com/moby/go-archive v0.2.0 h1:zg5QDUM2mi0JIM9fdQZWC7U8+2ZfixfTYoHL7rWUcP8=
@@ -268,8 +268,8 @@ github.com/moby/moby/api v1.54.0 h1:7kbUgyiKcoBhm0UrWbdrMs7RX8dnwzURKVbZGy2GnL0=
 github.com/moby/moby/api v1.54.0/go.mod h1:8mb+ReTlisw4pS6BRzCMts5M49W5M7bKt1cJy/YbAqc=
 github.com/moby/moby/client v0.3.0 h1:UUGL5okry+Aomj3WhGt9Aigl3ZOxZGqR7XPo+RLPlKs=
 github.com/moby/moby/client v0.3.0/go.mod h1:HJgFbJRvogDQjbM8fqc1MCEm4mIAGMLjXbgwoZp6jCQ=
-github.com/moby/patternmatcher v0.6.0 h1:GmP9lR19aU5GqSSFko+5pRqHi+Ohk1O69aFiKkVGiPk=
-github.com/moby/patternmatcher v0.6.0/go.mod h1:hDPoyOpDY7OrrMDLaYoY3hf52gNCR/YOUYxkhApJIxc=
+github.com/moby/patternmatcher v0.6.1 h1:qlhtafmr6kgMIJjKJMDmMWq7WLkKIo23hsrpR3x084U=
+github.com/moby/patternmatcher v0.6.1/go.mod h1:hDPoyOpDY7OrrMDLaYoY3hf52gNCR/YOUYxkhApJIxc=
 github.com/moby/policy-helpers v0.0.0-20260211190020-824747bfdd3c h1:hRUo0Ir9PEaa0PQCgg8WvGku0sgmTo/NgnCzMb83iII=
 github.com/moby/policy-helpers v0.0.0-20260211190020-824747bfdd3c/go.mod h1:2P1OGoTVIrybI4M7yhpkDpqiwOnI3yR+HnNhEyo8ovs=
 github.com/moby/sys/atomicwriter v0.1.0 h1:kw5D/EqkBwsBFi0ss9v1VG3wIkVhzGvLklJ+w3A14Sw=