[Pillow] Add all missing items (#10114)

stubs/Pillow/@tests/stubtest_allowlist.txt

@@ -1,4 +1,26 @@
+PIL.__main__
+
 # Requires Pyside or PyQt to be installed.
 # Not worth adding to tool.stubtest.stubtest_requirements
 # because it's only used as a base type and it's a long install.
 PIL.ImageQt.ImageQt
+
+# Only stubbing what's necessary from private modules
+PIL\._imaging\.\w+?
+
+# Internal logger variable
+PIL\..+?\.logger
+
+# Loop variables leaked in global scope
+PIL.BmpImagePlugin.BmpImageFile.k
+PIL.BmpImagePlugin.BmpImageFile.v
+PIL.Image.enum
+PIL.Image.item
+PIL.ImageCms.flag
+PIL.ImageMath.k
+PIL.ImageMath.v
+PIL.ImageQt.qt_module
+PIL.ImImagePlugin.i
+PIL.XVThumbImagePlugin.b
+PIL.XVThumbImagePlugin.g
+PIL.XVThumbImagePlugin.r

stubs/Pillow/@tests/stubtest_allowlist_win32.txt

@@ -0,0 +1,2 @@
+# Loop variables leaked in global scope
+PIL.EpsImagePlugin.binary