feat(gcp): add GCP plugin (#5229)

Add GCP as a supported plugin for dynamic host catalogs

internal/cmd/commands/dev/dev.go

@@ -821,7 +821,7 @@ func (c *Command) Run(args []string) int {
 	}
 
 	{
-		c.EnabledPlugins = append(c.EnabledPlugins, base.EnabledPluginAws, base.EnabledPluginHostAzure)
+		c.EnabledPlugins = append(c.EnabledPlugins, base.EnabledPluginAws, base.EnabledPluginHostAzure, base.EnabledPluginGCP)
 		if base.MinioEnabled {
 			c.EnabledPlugins = append(c.EnabledPlugins, base.EnabledPluginMinio)
 		}