feat(iam): include access_key and default_project_id in ApiKey connection secret

[yfodil]

Description of your changes

Fixes #

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (47be822) to head (0668092).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #235   +/-   ##
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  Coverage    0.00%    0.00%           
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  Files        1041     1041           
  Lines      109636   109636           
=======================================
  Misses     109636   109636           

Flag	Coverage Δ
unittests	0.00% <ø> (ø)

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