Updated to the lastest vue-sequence.

Fixing an issue with self invocation.

https://modeling-languages.com/zenuml-drawing-sequence-diagram-easier-faster/#comment-2074222

Author: MrCoder

package.json

@@ -99,7 +99,7 @@
 		"split.js": "1.6.0",
 		"svg-transform-loader": "^2.0.12",
 		"vue": "^2.6.11",
-		"vue-sequence": "^1.0.21",
+		"vue-sequence": "^1.0.38",
 		"vuex": "^3.0.1"
 	},
 	"jest": {