upgrade gopkg.in/ini.v1 (#8500)

ini released v1.48.0 and deprecated the ini.AllCapsUnderscore symbol, as
such, during the upgrade we migrated to using ini.SnackCase.

go.mod

@@ -109,7 +109,7 @@ require (
 	gopkg.in/asn1-ber.v1 v1.0.0-20150924051756-4e86f4367175 // indirect
 	gopkg.in/editorconfig/editorconfig-core-go.v1 v1.3.0
 	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
-	gopkg.in/ini.v1 v1.46.0
+	gopkg.in/ini.v1 v1.48.0
 	gopkg.in/ldap.v3 v3.0.2
 	gopkg.in/src-d/go-billy.v4 v4.3.2
 	gopkg.in/src-d/go-git.v4 v4.13.1

go.sum

@@ -774,6 +774,8 @@ gopkg.in/ini.v1 v1.44.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.44.2/go.mod h1:M3Cogqpuv0QCi3ExAY5V4uOt4qb/R3xZubo9m8lK5wg=
 gopkg.in/ini.v1 v1.46.0 h1:VeDZbLYGaupuvIrsYCEOe/L/2Pcs5n7hdO1ZTjporag=
 gopkg.in/ini.v1 v1.46.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.48.0 h1:URjZc+8ugRY5mL5uUeQH/a63JcHwdX9xZaWvmNWD7z8=
+gopkg.in/ini.v1 v1.48.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ldap.v3 v3.0.2 h1:R6RBtabK6e1GO0eQKtkyOFbAHO73QesLzI2w2DZ6b9w=
 gopkg.in/ldap.v3 v3.0.2/go.mod h1:oxD7NyBuxchC+SgJDE1Q5Od05eGt29SDQVBmV+HYbzw=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=

modules/setting/setting.go

@@ -519,7 +519,7 @@ func NewContext() {
 	} else {
 		log.Warn("Custom config '%s' not found, ignore this if you're running first time", CustomConf)
 	}
-	Cfg.NameMapper = ini.AllCapsUnderscore
+	Cfg.NameMapper = ini.SnackCase
 
 	homeDir, err := com.HomeDir()
 	if err != nil {