Update config.json

Author: Saranya13

config.json

@@ -5,7 +5,7 @@
     "styleDependency": ["ej2"],
     "github": ["/source/**/*.{css,ts,html,json}", "!/source/**/*.{d.ts,ngfactory.ts,ngstyle.ts,ngsummary.json}", "./styles/images{,/**}", "./styles/{index.css,highlight.css}", "./styles/*.scss", "./dist/zone.min.js", "/source/**/images{,/**}", "/source/common/cldr-data{,/**}", "./index.html", "./favicon.ico", "package.json", "tsconfig-aot.json", "webpack.config.js", "license"],
     "publishSamples": ["./output/**/*.*"],
-    "releaseVersion": "21.2.3",
+    "releaseVersion": "21.1.35",
     "customNames": [
         "listview",
         "html",