Approve the Studio Lab account request immediately

**Is your feature request related to a problem? Please describe.**
As a student, needs to prepare the Studio Lab account until the next week if they are asked to register Studio Lab in their weekly lecture. To consider the time difference and preparation time, 3 business day will be maximum acceptable days for approval. Of course, immediate approval is more useful.

**Describe the solution you'd like**
The Studio Lab account request is approved immediately.

**Describe alternatives you've considered**
There is no alternative way other than waiting until approval.

**Additional context**
Related to #93,

**If someone who need approval, please submit from the following form and 👍 to this issue if you need to speed up approval.**
https://pages.awscloud.com/GLOBAL_PM_PA_amazon-sagemaker_20211116_7014z000000rjq2-registration.html