[chore][cmd/builder] Improve main.go template formatting (#12503)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description

Puts the keys in `ConfigProviderSettings` to all be on their own lines
like the other keys in the struct.

cmd/builder/internal/builder/templates/main.go.tmpl

@@ -45,16 +45,17 @@ func main() {
 				DefaultScheme: "{{ .ConfResolver.DefaultURIScheme }}",
 				{{- end }}
 			},
-		}, ProviderModules: map[string]string{
+		},
+		ProviderModules: map[string]string{
 			{{- range .ConfmapProviders}}
 			{{.Name}}.NewFactory().Create(confmap.ProviderSettings{}).Scheme(): "{{.GoMod}}",
 			{{- end}}
-    }, ConverterModules: []string{
-		  {{- range .ConfmapConverters}}
+    	},
+		ConverterModules: []string{
+			{{- range .ConfmapConverters}}
 			"{{.GoMod}}",
 			{{- end}}
 		},
-
 	}
 
 	if err := run(set); err != nil {