Don't supress import errors whiel auto discovering HTMX modules

[mvaled]

This can hide import issues inside the user code.

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.76%. Comparing base (f5fec03) to head (bd926a8).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
src/djhtmx/utils.py	75.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #53      +/-   ##
==========================================
- Coverage   91.79%   91.76%   -0.03%     
==========================================
  Files          26       26              
  Lines        2462     2466       +4     
==========================================
+ Hits         2260     2263       +3     
- Misses        202      203       +1     

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