chore(deps): bump k8s.io/code-generator in /hack/tools

Bumps [k8s.io/code-generator](https://github.com/kubernetes/code-generator) from 0.28.3 to 0.28.4.
- [Commits](kubernetes/code-generator@v0.28.3...v0.28.4)

---
updated-dependencies:
- dependency-name: k8s.io/code-generator
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

hack/tools/go.mod

@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	github.com/golang/mock v1.6.0
-	k8s.io/code-generator v0.28.3
+	k8s.io/code-generator v0.28.4
 	sigs.k8s.io/controller-tools v0.13.0
 )
 
@@ -36,7 +36,7 @@ require (
 	golang.org/x/sys v0.13.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
 	golang.org/x/tools v0.12.0 // indirect
-	google.golang.org/protobuf v1.30.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

hack/tools/go.sum

@@ -1911,8 +1911,9 @@ google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 google.golang.org/protobuf v1.29.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
-google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
 google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -1961,8 +1962,8 @@ k8s.io/apimachinery v0.28.0/go.mod h1:X0xh/chESs2hP9koe+SdIAcXWcQ+RM5hy0ZynB+yEv
 k8s.io/apiserver v0.28.0/go.mod h1:MvLmtxhQ0Tb1SZk4hfJBjs8iqr5nhYeaFSaoEcz7Lk4=
 k8s.io/client-go v0.28.0/go.mod h1:0Asy9Xt3U98RypWJmU1ZrRAGKhP6NqDPmptlAzK2kMc=
 k8s.io/code-generator v0.28.0/go.mod h1:ueeSJZJ61NHBa0ccWLey6mwawum25vX61nRZ6WOzN9A=
-k8s.io/code-generator v0.28.3 h1:I847QvdpYx7xKiG2KVQeCSyNF/xU9TowaDAg601mvlw=
-k8s.io/code-generator v0.28.3/go.mod h1:A2EAHTRYvCvBrb/MM2zZBNipeCk3f8NtpdNIKawC43M=
+k8s.io/code-generator v0.28.4 h1:tcOSNIZQvuAvXhOwpbuJkKbAABJQeyCcQBCN/3uI18c=
+k8s.io/code-generator v0.28.4/go.mod h1:OQAfl6bZikQ/tK6faJ18Vyzo54rUII2NmjurHyiN1g4=
 k8s.io/component-base v0.28.0/go.mod h1:Yyf3+ZypLfMydVzuLBqJ5V7Kx6WwDr/5cN+dFjw1FNk=
 k8s.io/gengo v0.0.0-20210813121822-485abfe95c7c/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E=
 k8s.io/gengo v0.0.0-20220902162205-c0856e24416d h1:U9tB195lKdzwqicbJvyJeOXV7Klv+wNAWENRnXEGi08=