build(deps): Bump github.com/spf13/viper from 1.20.1 to 1.21.0

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.20.1 to 1.21.0.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.20.1...v1.21.0)

---
updated-dependencies:
- dependency-name: github.com/spf13/viper
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -29,10 +29,10 @@ require (
 	github.com/prometheus/client_golang v1.21.1
 	github.com/rakyll/statik v0.1.7
 	github.com/rs/zerolog v1.34.0
-	github.com/spf13/cast v1.7.1
+	github.com/spf13/cast v1.10.0
 	github.com/spf13/cobra v1.9.1
-	github.com/spf13/viper v1.20.1
-	github.com/stretchr/testify v1.10.0
+	github.com/spf13/viper v1.21.0
+	github.com/stretchr/testify v1.11.1
 	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa
 	google.golang.org/genproto/googleapis/api v0.0.0-20250106144421-5f5ef82da422
 	google.golang.org/grpc v1.71.0
@@ -113,14 +113,14 @@ require (
 	github.com/fatih/color v1.18.0 // indirect
 	github.com/fatih/structtag v1.2.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/fsnotify/fsnotify v1.8.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/getsentry/sentry-go v0.27.0 // indirect
 	github.com/go-kit/kit v0.13.0 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2 // indirect
 	github.com/gogo/googleapis v1.4.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
@@ -180,7 +180,7 @@ require (
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/opencontainers/runc v1.2.3 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/petermattis/goid v0.0.0-20240813172612-4fcff4a6cae7 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
@@ -191,12 +191,12 @@ require (
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/rogpeppe/go-internal v1.13.1 // indirect
 	github.com/rs/cors v1.11.1 // indirect
-	github.com/sagikazarmark/locafero v0.7.0 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
 	github.com/sasha-s/go-deadlock v0.3.5 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.14.0 // indirect
-	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
 	github.com/tendermint/go-amino v0.16.0 // indirect
@@ -218,18 +218,17 @@ require (
 	go.opentelemetry.io/otel/sdk v1.34.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.34.0 // indirect
 	go.opentelemetry.io/otel/trace v1.34.0 // indirect
-	go.uber.org/atomic v1.10.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/crypto v0.38.0 // indirect
-	golang.org/x/mod v0.24.0 // indirect
-	golang.org/x/net v0.40.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/mod v0.26.0 // indirect
+	golang.org/x/net v0.42.0 // indirect
 	golang.org/x/oauth2 v0.25.0 // indirect
-	golang.org/x/sync v0.14.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
-	golang.org/x/term v0.32.0 // indirect
-	golang.org/x/text v0.25.0 // indirect
+	golang.org/x/sync v0.16.0 // indirect
+	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/term v0.33.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
 	golang.org/x/time v0.8.0 // indirect
-	golang.org/x/tools v0.33.0 // indirect
+	golang.org/x/tools v0.35.0 // indirect
 	google.golang.org/api v0.215.0 // indirect
 	google.golang.org/genproto v0.0.0-20241118233622-e639e219e697 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f // indirect