Fix provisioning logs

[sjberman]

Add error level log for invalid config so it doesn't get lost in the debug layer.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.06%. Comparing base (3676f99) to head (16e7323).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/controller/provisioner/provisioner.go	0.00%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4428      +/-   ##
==========================================
- Coverage   86.13%   86.06%   -0.07%     
==========================================
  Files         132      132              
  Lines       14381    14389       +8     
  Branches       35       35              
==========================================
- Hits        12387    12384       -3     
- Misses       1785     1795      +10     
- Partials      209      210       +1     

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