Skip file type detection for unmatched paths

[j178]

Runs currently identify file types even for excluded paths. Limit identification to files that selected hooks may use, preserving pre-hook tag snapshots and orphan ownership. Unconditional hooks that take no filenames need no tag matching.

[codecov]

Codecov Report

❌ Patch coverage is 99.42857% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 94.15%. Comparing base (9754f65) to head (9ea77ee).

Files with missing lines	Patch %	Lines
crates/prek/src/cli/run/filter.rs	99.40%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2686      +/-   ##
==========================================
+ Coverage   94.11%   94.15%   +0.03%     
==========================================
  Files         141      141              
  Lines       30057    30223     +166     
==========================================
+ Hits        28287    28455     +168     
+ Misses       1770     1768       -2     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.