Update mtc version (1.4.1)

apinnick · apinnick · commit 6b2bd6be6aec · 2021-03-02T11:12:41.000+02:00
diff --git a/modules/common-attributes.adoc b/modules/common-attributes.adoc
@@ -34,4 +34,4 @@ endif::[]
 :mtc-short: MTC
 :mtc-full: Migration Toolkit for Containers
 :mtc-version: 1.4
-:mtc-version-z: 1.4.0
+:mtc-version-z: 1.4.1
