Update hub ref to 1.4.1 (ARMmbed#129)

LiyouZhou · web-flow · commit 007411885b44 · 2018-08-06T11:32:45.000+01:00
diff --git a/update-client-hub.lib b/update-client-hub.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/update-client-hub/#9d4968c98d0b9dc79c2aa8701abd32868f4d6b41
+https://github.com/ARMmbed/update-client-hub/#dd507b992ff0ac70575b4a570cffe3887a8b979a

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-https://github.com/ARMmbed/update-client-hub/#9d4968c98d0b9dc79c2aa8701abd32868f4d6b41`
	`1`	`+https://github.com/ARMmbed/update-client-hub/#dd507b992ff0ac70575b4a570cffe3887a8b979a`