Upgrade tomli to 2.0.0

Author: pradyunsg

news/tomli.vendor.rst

@@ -0,0 +1 @@
+Upgrade tomli to 2.0.0

src/pip/_vendor/tomli/__init__.py

@@ -1,6 +1,9 @@
 """A lil' TOML parser."""
 
 __all__ = ("loads", "load", "TOMLDecodeError")
-__version__ = "1.0.3"  # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
+__version__ = "2.0.0"  # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
 
 from pip._vendor.tomli._parser import TOMLDecodeError, load, loads
+
+# Pretend this exception was created here.
+TOMLDecodeError.__module__ = __name__