add Indranil and step-up auth post

[edunham]

This blog post has the following features:

• A GitHub Repository with a polished README
• A GitHub Repository under the github.com/oktadev account
• A title that's approved by Dev Advocacy
• A URL that's approved by Dev Advocacy
• The content has been run through Grammarly (https://www.grammarly.com/)
• Rendered locally and confirmed that no Markdown typos exist

[netlify]

✅ Deploy Preview for okta-blog ready!

Name	Link
🔨 Latest commit	773c806
🔍 Latest deploy log	https://app.netlify.com/sites/okta-blog/deploys/6408abb08370e20008d5dccf
😎 Deploy Preview	https://deploy-preview-1342--okta-blog.netlify.app/blog/2023/03/03/step-up-auth
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[indranilokg]

Section : Okta Customer Identity Cloud (CIC)

Item2:

"See this example for more detail."

This is not a real hyperlink, rather a URI identifier. It should read as below (in MarkDown):

"

For example-

http://schemas.openid.net/pape/policies/2007/06/multi-factor

"