perf: upgrade pdfminer-six to 20260107

Fixes ~15-18% performance regression introduced in 20251230 where
f-strings were evaluated eagerly even when logging was disabled.

See: pdfminer/pdfminer.six#1233
Fix: pdfminer/pdfminer.six#1234

Author: CyMule

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.0.92
+* Upgrade pdfminer-six to 20260107 to fix ~15-18% performance regression from eager f-string evaluation
+
 ## 0.0.91
 * Upgrade packages to resolve CVEs
 

prepline_general/api/__version__.py

@@ -1 +1 @@
-__version__ = "0.0.91"  # pragma: no cover
+__version__ = "0.0.92"  # pragma: no cover

requirements/base.txt

@@ -216,8 +216,9 @@ pandas==2.3.3
     #   unstructured-inference
 pdf2image==1.17.0
     # via unstructured
-pdfminer-six==20251230
+pdfminer-six==20260107
     # via
+    #   -c requirements/constraints.in
     #   unstructured
     #   unstructured-inference
 pi-heif==1.1.1

requirements/constraints.in

@@ -5,4 +5,6 @@
 ####################################################################################################
 numpy<2.0.0
 # later versions of Starlette break middleware
-starlette==0.41.2
+starlette==0.41.2
+# pdfminer.six 20260107 includes performance fix
+pdfminer-six==20260107