Update pdfium to 6015, implement FPDFText_IsHyphen

[jerbob92]

No description provided.

[codecov]

Codecov Report

Merging #103 (cb9b3d4) into main (519c49e) will increase coverage by 0.02%.
The diff coverage is 91.66%.

❗ Current head cb9b3d4 differs from pull request most recent head 9266c82. Consider uploading reports for the commit 9266c82 to get more accurate results

@@            Coverage Diff             @@
##             main     #103      +/-   ##
==========================================
+ Coverage   75.47%   75.49%   +0.02%     
==========================================
  Files         110      110              
  Lines       24391    24427      +36     
==========================================
+ Hits        18408    18441      +33     
- Misses       4221     4223       +2     
- Partials     1762     1763       +1     

Files Changed	Coverage Δ
internal/implementation_webassembly/fpdf_text.go	66.20% <85.00%> (+0.35%)	⬆️
...ernal/implementation_cgo/fpdf_text_experimental.go	97.32% <100.00%> (+0.20%)	⬆️

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more