feat: allow all file extension inputs (including .jsx)

[styfle]

This fixes an issue where a file input ending with .jsx was not traced properly.

Since we already fail gracefully for files that cannot be parsed, this PR removes the guard on all input file extensions.

• Also fixes Trace entry files without extension #249

[codecov]

Codecov Report

Merging #294 (3727a22) into main (e3f6b7a) will increase coverage by 0.10%.
The diff coverage is 100.00%.

❗ Current head 3727a22 differs from pull request most recent head 16c91c5. Consider uploading reports for the commit 16c91c5 to get more accurate results

@@            Coverage Diff             @@
##             main     #294      +/-   ##
==========================================
+ Coverage   80.33%   80.44%   +0.10%     
==========================================
  Files          13       13              
  Lines        1490     1488       -2     
  Branches      556      555       -1     
==========================================
  Hits         1197     1197              
+ Misses        122      121       -1     
+ Partials      171      170       -1     

Impacted Files	Coverage Δ
src/node-file-trace.ts	87.50% <100.00%> (+0.80%)	⬆️

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