dev: replace mitchellh/mapstructure by go-viper/mapstructure/v2 (#4339)

go.mod

@@ -38,6 +38,7 @@ require (
 	github.com/fzipp/gocyclo v0.6.0
 	github.com/ghostiam/protogetter v0.3.4
 	github.com/go-critic/go-critic v0.11.0
+	github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1
 	github.com/go-xmlfmt/xmlfmt v1.1.2
 	github.com/gofrs/flock v0.8.1
 	github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2
@@ -77,7 +78,6 @@ require (
 	github.com/mgechev/revive v1.3.6
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/mitchellh/go-ps v1.0.0
-	github.com/mitchellh/mapstructure v1.5.0
 	github.com/moricho/tparallel v0.3.1
 	github.com/nakabonne/nestif v0.3.1
 	github.com/nishanths/exhaustive v0.12.0
@@ -162,6 +162,7 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.5 // indirect

pkg/config/reader.go

@@ -7,8 +7,8 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/go-viper/mapstructure/v2"
 	"github.com/mitchellh/go-homedir"
-	"github.com/mitchellh/mapstructure"
 	"github.com/spf13/viper"
 	"golang.org/x/exp/slices"