upgrade to latest dependencies

Signed-off-by: Knative Automation <automation@knative.team>

go.mod

@@ -1,6 +1,8 @@
 module knative.dev/net-kourier
 
-go 1.18
+go 1.21
+
+toolchain go1.21.7
 
 require (
 	github.com/envoyproxy/go-control-plane v0.11.1
@@ -17,13 +19,13 @@ require (
 	google.golang.org/grpc v1.61.1
 	google.golang.org/protobuf v1.32.0
 	gotest.tools/v3 v3.0.3
-	k8s.io/api v0.28.5
-	k8s.io/apimachinery v0.28.5
-	k8s.io/client-go v0.28.5
-	k8s.io/code-generator v0.28.5
-	knative.dev/hack v0.0.0-20240214131420-999d7e6b8495
-	knative.dev/networking v0.0.0-20240220074405-630e71a2dbc7
-	knative.dev/pkg v0.0.0-20240219120257-9227ebb57a4e
+	k8s.io/api v0.29.2
+	k8s.io/apimachinery v0.29.2
+	k8s.io/client-go v0.29.2
+	k8s.io/code-generator v0.29.2
+	knative.dev/hack v0.0.0-20240221013115-05f4e9c9b59a
+	knative.dev/networking v0.0.0-20240221013756-f5845efc6d21
+	knative.dev/pkg v0.0.0-20240221065059-9f033a7b77f7
 )
 
 require (
@@ -36,7 +38,7 @@ require (
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/cncf/xds/go v0.0.0-20231109132714-523115ebc101 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
+	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.0.2 // indirect
 	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
 	github.com/evanphx/json-patch/v5 v5.9.0 // indirect
@@ -52,7 +54,7 @@ require (
 	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/gorilla/websocket v1.5.1 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0 // indirect
 	github.com/imdario/mergo v0.3.9 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -93,12 +95,12 @@ require (
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/apiextensions-apiserver v0.28.5 // indirect
-	k8s.io/gengo v0.0.0-20221011193443-fad74ee6edd9 // indirect
-	k8s.io/klog/v2 v2.100.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
-	k8s.io/utils v0.0.0-20230406110748-d93618cff8a2 // indirect
+	k8s.io/apiextensions-apiserver v0.29.2 // indirect
+	k8s.io/gengo v0.0.0-20240129211411-f967bbeff4b4 // indirect
+	k8s.io/klog/v2 v2.120.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20231010175941-2dd684a91f00 // indirect
+	k8s.io/utils v0.0.0-20240102154912-e7106e64919e // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect
 )