vendor: update buildkit to 539be170

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/moby/buildkit/solver/pb/caps.go

@@ -36,6 +36,7 @@ const (
 	CapBuildOpLLBFileName apicaps.CapID = "source.buildop.llbfilename"
 
 	CapExecMetaBase                      apicaps.CapID = "exec.meta.base"
+	CapExecMetaCgroupParent              apicaps.CapID = "exec.meta.cgroup.parent"
 	CapExecMetaNetwork                   apicaps.CapID = "exec.meta.network"
 	CapExecMetaProxy                     apicaps.CapID = "exec.meta.proxyenv"
 	CapExecMetaSecurity                  apicaps.CapID = "exec.meta.security"
@@ -56,6 +57,7 @@ const (
 	CapFileBase                       apicaps.CapID = "file.base"
 	CapFileRmWildcard                 apicaps.CapID = "file.rm.wildcard"
 	CapFileCopyIncludeExcludePatterns apicaps.CapID = "file.copy.includeexcludepatterns"
+	CapFileRmNoFollowSymlink          apicaps.CapID = "file.rm.nofollowsymlink"
 
 	CapConstraints apicaps.CapID = "constraints"
 	CapPlatform    apicaps.CapID = "platform"
@@ -65,6 +67,8 @@ const (
 	CapMetaExportCache apicaps.CapID = "meta.exportcache"
 
 	CapRemoteCacheGHA apicaps.CapID = "cache.gha"
+
+	CapMergeOp apicaps.CapID = "mergeop"
 )
 
 func init() {
@@ -207,6 +211,12 @@ func init() {
 		Status:  apicaps.CapStatusExperimental,
 	})
 
+	Caps.Init(apicaps.Cap{
+		ID:      CapExecMetaCgroupParent,
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
 	Caps.Init(apicaps.Cap{
 		ID:      CapExecMetaProxy,
 		Enabled: true,
@@ -319,6 +329,12 @@ func init() {
 		Status:  apicaps.CapStatusExperimental,
 	})
 
+	Caps.Init(apicaps.Cap{
+		ID:      CapFileRmNoFollowSymlink,
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
+
 	Caps.Init(apicaps.Cap{
 		ID:      CapFileCopyIncludeExcludePatterns,
 		Enabled: true,
@@ -360,4 +376,9 @@ func init() {
 		Enabled: true,
 		Status:  apicaps.CapStatusExperimental,
 	})
+	Caps.Init(apicaps.Cap{
+		ID:      CapMergeOp,
+		Enabled: true,
+		Status:  apicaps.CapStatusExperimental,
+	})
 }