Add back interface for notfying extenders

[rudyflores]

Proposed changes

Added back the interface for notifying extenders onProfilesUpdate that seemed to have dissappeared after the ZoweExplorerApi.ts file was removed for v3 to a different file

Release Notes

Milestone: v3 pre-release 2

Changelog: Added back onProfilesUpdate interface lost from move to v3

Types of changes

What types of changes does your code introduce to Zowe Explorer?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Updates to Documentation or Tests (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This checklist will be used as reference for both the contributor and the reviewer

• I have read the CONTRIBUTOR GUIDANCE wiki
• PR title follows Conventional Commits Guidelines
• PR Description is included
• gif or screenshot is included if visual changes are made
• yarn workspace vscode-extension-for-zowe vscode:prepublish has been executed
• All checks have passed (DCO, Jenkins and Code Coverage)
• I have added unit test and it is passing
• I have added integration test and it is passing
• There is coverage for the code that I have added
• I have tested it manually and there are no regressions found
• I have added necessary documentation (if appropriate)
• Any PR dependencies have been merged and published (if appropriate)

Further comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8b4cfea) 93.05% compared to head (87fb3bc) 93.05%.
Report is 1 commits behind head on next.

Additional details and impacted files

@@           Coverage Diff           @@
##             next    #2583   +/-   ##
=======================================
  Coverage   93.05%   93.05%           
=======================================
  Files         108      108           
  Lines        9807     9807           
  Branches     2028     2028           
=======================================
  Hits         9126     9126           
  Misses        680      680           
  Partials        1        1           

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[JillieBeanSim]

Thanks for adding back the api to the interface @rudyflores, this will help extenders begin the v3 adoption.
The changelog gh check failing even when a changelog item was added for repo can be addressed at later time for next branch

[likhithanimma1]

Changes looks fine for me. Thankyou @rudyflores