Bump github.com/gardener/gardener from 1.86.0 to 1.87.0

Bumps [github.com/gardener/gardener](https://github.com/gardener/gardener) from 1.86.0 to 1.87.0.
- [Release notes](https://github.com/gardener/gardener/releases)
- [Commits](gardener/gardener@v1.86.0...v1.87.0)

---
updated-dependencies:
- dependency-name: github.com/gardener/gardener
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -4,7 +4,7 @@ go 1.21.0
 
 require (
 	github.com/ahmetb/gen-crd-api-reference-docs v0.3.0
-	github.com/gardener/gardener v1.86.0
+	github.com/gardener/gardener v1.87.0
 	github.com/go-logr/logr v1.2.4
 	github.com/onsi/ginkgo/v2 v2.13.0
 	github.com/onsi/gomega v1.29.0
@@ -25,10 +25,8 @@ require (
 require (
 	github.com/BurntSushi/toml v1.2.1 // indirect
 	github.com/Masterminds/goutils v1.1.1 // indirect
-	github.com/Masterminds/semver v1.5.0 // indirect
 	github.com/Masterminds/semver/v3 v3.2.1 // indirect
-	github.com/Masterminds/sprig v2.22.0+incompatible // indirect
-	github.com/Masterminds/sprig/v3 v3.2.2 // indirect
+	github.com/Masterminds/sprig/v3 v3.2.3 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/bronze1man/yaml2json v0.0.0-20211227013850-8972abeaea25 // indirect
@@ -42,10 +40,9 @@ require (
 	github.com/fatih/color v1.15.0 // indirect
 	github.com/fluent/fluent-operator/v2 v2.2.0 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
-	github.com/gardener/etcd-druid v0.21.0 // indirect
+	github.com/gardener/etcd-druid v0.22.0 // indirect
 	github.com/gardener/hvpa-controller/api v0.5.0 // indirect
 	github.com/gardener/machine-controller-manager v0.50.0 // indirect
-	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/go-logr/zapr v1.2.4 // indirect
 	github.com/go-openapi/errors v0.20.3 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
@@ -64,7 +61,7 @@ require (
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/huandu/xstrings v1.3.2 // indirect
+	github.com/huandu/xstrings v1.3.3 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/ironcore-dev/vgopath v0.1.3 // indirect
@@ -91,25 +88,29 @@ require (
 	github.com/shopspring/decimal v1.2.0 // indirect
 	github.com/spf13/afero v1.9.5 // indirect
 	github.com/spf13/cast v1.5.1 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.26.0 // indirect
-	golang.org/x/crypto v0.14.0 // indirect
+	golang.org/x/crypto v0.17.0 // indirect
 	golang.org/x/exp v0.0.0-20230321023759-10a507213a29 // indirect
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/net v0.17.0 // indirect
-	golang.org/x/oauth2 v0.8.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
-	golang.org/x/term v0.13.0 // indirect
-	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/oauth2 v0.10.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/term v0.15.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20230526161137-0005af68ea54 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20230525234035-dd9d682886f9 // indirect
+	google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 // 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
+	helm.sh/helm/v3 v3.11.1 // indirect
 	istio.io/api v1.19.2-0.20231011000955-f3015ebb5bd4 // indirect
 	istio.io/client-go v1.19.3 // indirect
 	k8s.io/apiextensions-apiserver v0.28.3 // indirect