Replace interface{} with any (#25686)

Result of running `perl -p -i -e 's#interface\{\}#any#g' **/*` and `make fmt`.

Basically the same [as golang did](2580d0e08d).

routers/api/packages/rubygems/rubygems.go

@@ -21,7 +21,7 @@ import (
 	packages_service "code.gitea.io/gitea/services/packages"
 )
 
-func apiError(ctx *context.Context, status int, obj interface{}) {
+func apiError(ctx *context.Context, status int, obj any) {
 	helper.LogAndProcessError(ctx, status, obj, func(message string) {
 		ctx.PlainText(status, message)
 	})
@@ -65,9 +65,9 @@ func enumeratePackages(ctx *context.Context, filename string, pvs []*packages_mo
 		return
 	}
 
-	specs := make([]interface{}, 0, len(pds))
+	specs := make([]any, 0, len(pds))
 	for _, p := range pds {
-		specs = append(specs, []interface{}{
+		specs = append(specs, []any{
 			p.Package.Name,
 			&rubygems_module.RubyUserMarshal{
 				Name:  "Gem::Version",
@@ -129,7 +129,7 @@ func ServePackageSpecification(ctx *context.Context) {
 	// create a Ruby Gem::Specification object
 	spec := &rubygems_module.RubyUserDef{
 		Name: "Gem::Specification",
-		Value: []interface{}{
+		Value: []any{
 			"3.2.3", // @rubygems_version
 			4,       // @specification_version,
 			pd.Package.Name,
@@ -142,7 +142,7 @@ func ServePackageSpecification(ctx *context.Context) {
 			nil,               // @required_ruby_version
 			nil,               // @required_rubygems_version
 			metadata.Platform, // @original_platform
-			[]interface{}{},   // @dependencies
+			[]any{},           // @dependencies
 			nil,               // rubyforge_project
 			"",                // @email
 			metadata.Authors,