chore(deps): update frontend-platform to v7 (#469)

* chore(deps): update frontend-platform to v7

* refactor: updated eslintrc

Author: BilalQamar95

.eslintrc.js

@@ -1,4 +1,4 @@
 // eslint-disable-next-line import/no-extraneous-dependencies
-const { createConfig } = require('@edx/frontend-build');
+const { createConfig } = require('@openedx/frontend-build');
 
 module.exports = createConfig('eslint');