fix: Add timeout to avoid resource leak, retry failed fetches

[effigies]

Builds on #349.

[codecov]

Codecov Report

❌ Patch coverage is 86.84211% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.85%. Comparing base (acbd58c) to head (8936c30).

Files with missing lines	Patch %	Lines
src/files/openers.ts	87.50%	4 Missing ⚠️
src/files/access.ts	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #351      +/-   ##
==========================================
- Coverage   87.02%   86.85%   -0.18%     
==========================================
  Files          51       51              
  Lines        3892     3924      +32     
  Branches      624      622       -2     
==========================================
+ Hits         3387     3408      +21     
- Misses        495      501       +6     
- Partials       10       15       +5     

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