Fix modules/ typos

Found using `codespell -q 3 -S ./3rdparty -L activ,amin,ang,atleast,childs,dof,endwhile,halfs,hist,iff,nd,od,uint`

backporting of commit: ec43292e1e

modules/js/test/test_utils.js

@@ -68,7 +68,7 @@
 //
 
 if (typeof module !== 'undefined' && module.exports) {
-    // The envrionment is Node.js
+    // The environment is Node.js
     var cv = require('./opencv.js'); // eslint-disable-line no-var
 }
 QUnit.module('Utils', {});