update major version (#2563)

graphaelli · web-flow · commit 607794d32e52 · 2019-08-15T12:11:55.000-04:00
diff --git a/docs/version.asciidoc b/docs/version.asciidoc
@@ -1,5 +1,5 @@
 :stack-version: 7.3.0
-:major-version: 7.3
+:major-version: 7.x
 :doc-branch: 7.3
 :branch: {doc-branch}
 :go-version: 1.12.4
