Revert the version of mdx/js loader

[sambhavgupta0705]

Describe the bug.

This package version got upgraded due to which the build is getting failed of docs section
For now let's just revert the package version as it is a production error and then will work on solving the issue and upgrading the version

Expected behavior

The build should not failed

Screenshots

.

How to Reproduce

1. I first did this
2. I then did this
3. And so on . . .

🥦 Browser

None

👀 Have you checked for similar open issues?

• I checked and didn't find similar issue

🏢 Have you read the Contributing Guidelines?

• I have read the Contributing Guidelines

Are you willing to work on this issue ?

No, someone else can work on it