Bump github.com/spf13/viper from 1.7.0 to 1.18.2 in /tools

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.7.0 to 1.18.2.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](spf13/viper@v1.7.0...v1.18.2)

---
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]

tools/go.mod

@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	github.com/MakeNowJust/heredoc/v2 v2.0.1
-	github.com/fatih/color v1.9.0
+	github.com/fatih/color v1.14.1
 	github.com/gdamore/tcell/v2 v2.5.1
 	github.com/google/go-cmp v0.5.9
 	github.com/hibiken/asynq v0.24.1
@@ -15,41 +15,45 @@ require (
 	github.com/redis/go-redis/v9 v9.0.5
 	github.com/spf13/cobra v1.1.1
 	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.7.0
-	golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136
+	github.com/spf13/viper v1.18.2
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
-	github.com/fsnotify/fsnotify v1.4.9 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/gdamore/encoding v1.0.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/uuid v1.3.0 // indirect
+	github.com/google/uuid v1.4.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
-	github.com/magiconair/properties v1.8.1 // indirect
-	github.com/mattn/go-colorable v0.1.4 // indirect
-	github.com/mattn/go-isatty v0.0.11 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.17 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/mitchellh/mapstructure v1.1.2 // indirect
-	github.com/pelletier/go-toml v1.2.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.26.0 // indirect
 	github.com/prometheus/procfs v0.6.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	github.com/spf13/afero v1.1.2 // indirect
-	github.com/spf13/cast v1.5.1 // indirect
-	github.com/spf13/jwalterweatherman v1.0.0 // indirect
-	github.com/subosito/gotenv v1.2.0 // indirect
-	golang.org/x/sys v0.10.0 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // 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/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
 	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect
-	golang.org/x/text v0.3.8 // indirect
-	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/time v0.5.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
-	gopkg.in/ini.v1 v1.51.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )