Log Message:
py-pdf: updated to 3.15.3

Version 3.15.3, 2023-08-26

Bug Fixes (BUG)
-  Check version of crypt provider
-  TypeError: can't concat str to bytes
-  Require flit_core >= 3.9

Version 3.15.2, 2023-08-20

Security (SEC)
-  Avoid endless recursion of reading damaged PDF file

Performance Improvements (PI)
-  Re-use content stream

Maintenance (MAINT)
-  Make ParseError inherit from PyPdfError