fix: disable UPX compression to prevent PYZ archive corruption

UPX can corrupt Python bytecode in PyInstaller bundles, causing
"PYZ archive entry not found in the TOC" on Windows.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

8cut.spec

@@ -101,7 +101,7 @@ exe_kwargs = dict(
     debug=False,
     bootloader_ignore_signals=False,
     strip=False,
-    upx=True,
+    upx=False,
     console=False,  # GUI app
 )
 
@@ -121,8 +121,7 @@ coll = COLLECT(
     a.binaries,
     a.datas,
     strip=False,
-    upx=True,
+    upx=False,
-    upx_exclude=[],
     name="8cut",
 )