deps(dependabot): bump github.com/nats-io/nats-server/v2

Bumps [github.com/nats-io/nats-server/v2](https://github.com/nats-io/nats-server) from 2.10.20 to 2.10.21.
- [Release notes](https://github.com/nats-io/nats-server/releases)
- [Changelog](https://github.com/nats-io/nats-server/blob/main/.goreleaser.yml)
- [Commits](nats-io/nats-server@v2.10.20...v2.10.21)

---
updated-dependencies:
- dependency-name: github.com/nats-io/nats-server/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/dustin/go-humanize v1.0.1
 	github.com/go-logr/logr v1.4.2
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/nats-io/nats-server/v2 v2.10.20
+	github.com/nats-io/nats-server/v2 v2.10.21
 	github.com/nats-io/nats.go v1.37.0
 	github.com/onsi/gomega v1.34.2
 	github.com/pkg/errors v0.9.1
@@ -38,19 +38,14 @@ require (
 	github.com/Masterminds/sprig/v3 v3.3.0 // indirect
 	github.com/Masterminds/squirrel v1.5.4 // indirect
 	github.com/Microsoft/hcsshim v0.11.4 // indirect
-	github.com/NYTimes/gziphandler v1.1.1 // indirect
-	github.com/antlr4-go/antlr/v4 v4.13.0 // 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/chai2010/gettext-go v1.0.2 // indirect
 	github.com/chigopher/pathlib v0.19.1 // indirect
 	github.com/containerd/containerd v1.7.12 // indirect
 	github.com/containerd/log v0.1.0 // indirect
-	github.com/coreos/go-semver v0.3.1 // indirect
-	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/cyphar/filepath-securejoin v0.3.1 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/distribution/reference v0.5.0 // indirect
@@ -80,7 +75,6 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/btree v1.0.1 // indirect
-	github.com/google/cel-go v0.20.1 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
@@ -90,8 +84,6 @@ require (
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/gosuri/uitable v0.0.4 // indirect
 	github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7 // 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/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
@@ -150,57 +142,44 @@ require (
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.15.0 // indirect
-	github.com/stoewer/go-strcase v1.2.0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	github.com/xlab/treeprint v1.2.0 // indirect
-	go.etcd.io/etcd/api/v3 v3.5.14 // indirect
-	go.etcd.io/etcd/client/pkg/v3 v3.5.14 // indirect
-	go.etcd.io/etcd/client/v3 v3.5.14 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.53.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.53.0 // indirect
 	go.opentelemetry.io/otel v1.28.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0 // indirect
 	go.opentelemetry.io/otel/metric v1.28.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.28.0 // indirect
 	go.opentelemetry.io/otel/trace v1.28.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
 	go.starlark.net v0.0.0-20230525235612-a134d8f9ddca // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/crypto v0.27.0 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
 	golang.org/x/mod v0.20.0 // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/oauth2 v0.21.0 // indirect
 	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.24.0 // indirect
-	golang.org/x/term v0.23.0 // indirect
-	golang.org/x/text v0.17.0 // indirect
+	golang.org/x/sys v0.25.0 // indirect
+	golang.org/x/term v0.24.0 // indirect
+	golang.org/x/text v0.18.0 // indirect
 	golang.org/x/time v0.6.0 // indirect
 	golang.org/x/tools v0.24.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240528184218-531527333157 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect
 	google.golang.org/grpc v1.65.0 // indirect
 	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	k8s.io/apiserver v0.31.1 // indirect
 	k8s.io/component-base v0.31.1 // indirect
 	k8s.io/klog/v2 v2.130.1 // indirect
-	k8s.io/kms v0.31.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect
 	k8s.io/kubectl v0.31.0 // indirect
 	oras.land/oras-go v1.2.5 // indirect
-	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.30.3 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/kustomize/api v0.17.2 // indirect
 	sigs.k8s.io/kustomize/kyaml v0.17.1 // indirect