Licensing: Pass func to update env variables when starting plugin (#74620)

pkg/plugins/backendplugin/coreplugin/core_plugin.go

@@ -21,7 +21,7 @@ type corePlugin struct {
 
 // New returns a new backendplugin.PluginFactoryFunc for creating a core (built-in) backendplugin.Plugin.
 func New(opts backend.ServeOpts) backendplugin.PluginFactoryFunc {
-	return func(pluginID string, logger log.Logger, env []string) (backendplugin.Plugin, error) {
+	return func(pluginID string, logger log.Logger, _ func() []string) (backendplugin.Plugin, error) {
 		return &corePlugin{
 			pluginID:            pluginID,
 			logger:              logger,