Update api keys deprecation message

[kushalmalani]

Description

Describe the purpose of this pull request.

Update api keys deprecation message

🎟 Issue(s)

Related #XXX

🧪 Functional Testing

List the functional testing steps to confirm this feature or fix.

📸 Screenshots

Add screenshots to illustrate the validity of these changes.

📋 Checklist

• [x] Rebased from the main (or release if patching) branch (before testing)
• [x] Ran make test before taking out of draft
• [x] Ran make lint before taking out of draft
• [ ] Added/updated applicable tests
• [ ] Tested against Astro-API (if necessary).
• [ ] Tested against Houston-API and Astronomer (if necessary).
• [ ] Communicated to/tagged owners of respective clients potentially impacted by these changes.
• [ ] Updated any related documentation

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.55%. Comparing base (c4e1ab5) to head (c5790ba).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1594 +/- ## ======================================= Coverage 86.55% 86.55% ======================================= Files 114 114 Lines 15935 15935 ======================================= Hits 13792 13792 Misses 1288 1288 Partials 855 855 ```

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