Bump github.com/go-viper/mapstructure/v2 in /tools/openapi2crd (#2845)

Bumps [github.com/go-viper/mapstructure/v2](https://github.com/go-viper/mapstructure) from 2.2.1 to 2.4.0.
- [Release notes](https://github.com/go-viper/mapstructure/releases)
- [Changelog](https://github.com/go-viper/mapstructure/blob/main/CHANGELOG.md)
- [Commits](go-viper/mapstructure@v2.2.1...v2.4.0)

---
updated-dependencies:
- dependency-name: github.com/go-viper/mapstructure/v2
  dependency-version: 2.4.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

tools/openapi2crd/go.mod

@@ -29,16 +29,13 @@ require (
 
 require (
 	cel.dev/expr v0.19.3 // indirect
-	github.com/NYTimes/gziphandler v1.1.1 // indirect
 	github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/chigopher/pathlib v0.19.1 // indirect
-	github.com/coreos/go-semver v0.3.1 // indirect
-	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/daixiang0/gci v0.13.7 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/emicklei/go-restful/v3 v3.11.3 // indirect
@@ -50,17 +47,12 @@ require (
 	github.com/go-openapi/jsonpointer v0.21.2 // indirect
 	github.com/go-openapi/jsonreference v0.20.5 // indirect
 	github.com/go-openapi/swag v0.23.1 // indirect
-	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/btree v1.0.1 // indirect
 	github.com/google/cel-go v0.22.1 // indirect
 	github.com/google/gnostic-models v0.7.0 // indirect
-	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gorilla/websocket v1.5.3 // indirect
-	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
 	github.com/hexops/gotextdiff v1.0.3 // indirect
 	github.com/huandu/xstrings v1.4.0 // indirect
@@ -74,13 +66,11 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/moby/spdystream v0.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/mongodb-forks/digest v1.1.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
 	github.com/oasdiff/yaml v0.0.0-20250309154309-f31be36b4037 // indirect
 	github.com/oasdiff/yaml3 v0.0.0-20250309153720-d2182401db90 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
@@ -99,11 +89,9 @@ require (
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/vektra/mockery/v2 v2.53.5 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
-	go.etcd.io/etcd/api/v3 v3.5.24 // indirect
 	go.etcd.io/etcd/client/pkg/v3 v3.5.24 // indirect
 	go.etcd.io/etcd/client/v3 v3.5.24 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0 // indirect
 	go.opentelemetry.io/otel v1.34.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect
@@ -116,7 +104,6 @@ require (
 	go.uber.org/zap v1.27.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
 	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
 	golang.org/x/mod v0.29.0 // indirect
 	golang.org/x/net v0.46.0 // indirect
@@ -131,18 +118,13 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251022142026-3a174f9686a8 // indirect
 	google.golang.org/grpc v1.71.3 // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
-	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/apiserver v0.32.9 // indirect
 	k8s.io/component-base v0.32.9 // indirect
 	k8s.io/klog/v2 v2.130.1 // indirect
-	k8s.io/kms v0.32.9 // indirect
 	k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912 // indirect
 	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.3 // indirect
 	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
-	sigs.k8s.io/randfill v1.0.0 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.3 // indirect
-	sigs.k8s.io/structured-merge-diff/v6 v6.2.0 // indirect
 )