Bump github.com/spf13/viper from 1.20.1 to 1.21.0 (#475)

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

Author: dependabot[bot]

go.mod

@@ -29,7 +29,7 @@ require (
 	github.com/russellhaering/goxmldsig v1.5.0
 	github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b
 	github.com/spf13/cobra v1.10.1
-	github.com/spf13/viper v1.20.1
+	github.com/spf13/viper v1.21.0
 	gopkg.in/go-playground/validator.v9 v9.31.0
 	gopkg.in/testfixtures.v2 v2.6.0
 )
@@ -42,7 +42,7 @@ require (
 	github.com/dimfeld/httppath v0.0.0-20170720192232-ee938bf73598 // indirect
 	github.com/dimfeld/httptreemux v5.0.1+incompatible // indirect
 	github.com/distribution/reference v0.6.0 // indirect
-	github.com/fsnotify/fsnotify v1.8.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
 	github.com/go-logfmt/logfmt v0.5.1 // indirect
 	github.com/go-openapi/loads v0.22.0 // indirect
@@ -63,27 +63,25 @@ require (
 	github.com/onsi/ginkgo v1.16.5 // indirect
 	github.com/onsi/gomega v1.32.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/sagikazarmark/locafero v0.7.0 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
 	github.com/smartystreets/goconvey v1.8.0 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.12.0 // indirect
-	github.com/spf13/cast v1.7.1 // indirect
-	github.com/spf13/pflag v1.0.9 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/zach-klippenstein/goregen v0.0.0-20160303162051-795b5e3961ea // indirect
-	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/mod v0.25.0 // indirect
-	golang.org/x/net v0.41.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/mod v0.26.0 // indirect
+	golang.org/x/net v0.42.0 // indirect
 	golang.org/x/sync v0.16.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
-	golang.org/x/text v0.26.0 // indirect
-	golang.org/x/tools v0.33.0 // indirect
+	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
+	golang.org/x/tools v0.35.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20241223144023-3abc09e42ca8 // indirect
 	google.golang.org/grpc v1.67.3 // indirect
 	google.golang.org/protobuf v1.36.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 )