feat: bootstrap official runner through SPIFFE facade

go.mod

@@ -7,6 +7,8 @@ require (
 	gitea.dev/actionslib v1.0.0
 	github.com/alibaba/OpenSandbox/sdks/sandbox/go v1.0.5
 	github.com/nats-io/nats.go v1.54.0
+	github.com/spiffe/go-spiffe/v2 v2.8.2
+	golang.org/x/sync v0.23.0
 	google.golang.org/protobuf v1.36.12
 	k8s.io/api v0.37.0
 	k8s.io/apimachinery v0.37.0
@@ -14,9 +16,11 @@ require (
 )
 
 require (
+	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/emicklei/go-restful/v3 v3.13.0 // indirect
 	github.com/fxamacker/cbor/v2 v2.9.1 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.5 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-openapi/jsonpointer v1.0.0 // indirect
 	github.com/go-openapi/jsonreference v1.0.0 // indirect
@@ -49,11 +53,12 @@ require (
 	golang.org/x/crypto v0.57.0 // indirect
 	golang.org/x/net v0.58.0 // indirect
 	golang.org/x/oauth2 v0.36.0 // indirect
-	golang.org/x/sync v0.23.0 // indirect
 	golang.org/x/sys v0.48.0 // indirect
 	golang.org/x/term v0.46.0 // indirect
 	golang.org/x/text v0.42.0 // indirect
 	golang.org/x/time v0.15.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
+	google.golang.org/grpc v1.79.3 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	k8s.io/klog/v2 v2.140.0 // indirect