upgrade: sync go-echarts to v2.5.5

Author: Koooooo-7

go.mod

@@ -2,7 +2,7 @@ module github.com/go-echarts/examples
 
 go 1.18
 
-require github.com/go-echarts/go-echarts/v2 v2.5.4
+require github.com/go-echarts/go-echarts/v2 v2.5.5
 
 require github.com/montanaflynn/stats v0.7.1
 

go.sum

@@ -1,6 +1,8 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/go-echarts/go-echarts/v2 v2.5.4 h1:bw0REczgtgI/o7GPqae4AzsiJwwyJvyWwJ7vuM0G6tQ=
 github.com/go-echarts/go-echarts/v2 v2.5.4/go.mod h1:56YlvzhW/a+du15f3S2qUGNDfKnFOeJSThBIrVFHDtI=
+github.com/go-echarts/go-echarts/v2 v2.5.5 h1:U59gHFyQVot8RTMWMKTZ+sBDWhPF2+BO7eoNOIg2ipo=
+github.com/go-echarts/go-echarts/v2 v2.5.5/go.mod h1:56YlvzhW/a+du15f3S2qUGNDfKnFOeJSThBIrVFHDtI=
 github.com/montanaflynn/stats v0.7.1 h1:etflOAAHORrCC44V+aR6Ftzort912ZU+YLiSTuV8eaE=
 github.com/montanaflynn/stats v0.7.1/go.mod h1:etXPPgVO6n31NxCd9KQUMvCM+ve0ruNzt6R8Bnaayow=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=