chore(deps): bump github.com/spf13/viper from 1.19.0 to 1.20.1

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.19.0 to 1.20.1.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.19.0...v1.20.1)

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

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

Author: dependabot[bot]

go.mod

@@ -1,7 +1,7 @@
 module github.com/launchdarkly/ld-find-code-refs/v2
 
 go 1.22
-toolchain go1.23.7
+toolchain go1.24.1
 
 require (
 	github.com/bmatcuk/doublestar/v4 v4.8.1
@@ -14,7 +14,7 @@ require (
 	github.com/petar-dambovaliev/aho-corasick v0.0.0-20211021192214-5ab2d9280aa9
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/pflag v1.0.6
-	github.com/spf13/viper v1.19.0
+	github.com/spf13/viper v1.20.1
 	github.com/stretchr/testify v1.10.0
 	golang.org/x/tools v0.31.0
 )
@@ -29,42 +29,34 @@ require (
 	github.com/cyphar/filepath-securejoin v0.4.1 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
-	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/fsnotify/fsnotify v1.8.0 // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-git/go-billy/v5 v5.6.2 // indirect
+	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
 	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
-	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mattn/go-runewidth v0.0.9 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
 	github.com/pjbgf/sha1cd v0.3.2 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/sagikazarmark/locafero v0.4.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sagikazarmark/locafero v0.7.0 // indirect
 	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
 	github.com/skeema/knownhosts v1.3.1 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.11.0 // indirect
-	github.com/spf13/cast v1.6.0 // indirect
+	github.com/spf13/afero v1.12.0 // indirect
+	github.com/spf13/cast v1.7.1 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect
 	golang.org/x/crypto v0.36.0 // indirect
-	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
 	golang.org/x/net v0.37.0 // indirect
-	golang.org/x/oauth2 v0.18.0 // indirect
+	golang.org/x/oauth2 v0.25.0 // indirect
 	golang.org/x/sys v0.31.0 // indirect
 	golang.org/x/text v0.23.0 // indirect
-	google.golang.org/appengine v1.6.8 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )