fix: Region shows as "None" after stack deploys using manual parameters

[prenx4x]

Issue #, if available:
#2028

Why is this change necessary?

• When you manually deploy without providing region, the console prints show region as None.

How does it address the issue?

• Print the values after the boto session is active for manual deploy

What side effects does this change have?

• None

Did you change a dependency in requirements/base.txt?
If so, did you run make update-reproducible-reqs

• No

Checklist:

• Write Design Document (Do I need to write a design document?)
• Write unit tests
• Write/update functional tests
• Write/update integration tests
• make pr passes
• Write documentation

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.