python3-pycparser: upgrade 2.21 -> 2.22

python3-pycparser: upgrade 2.21 -> 2.22

License-Update:
===============
Slightly tweak the LICENSE file to be more canonical:
- Copyright year updated to 2022.
- "Eli Bendersky: changed to "the copyright holder"

Changelog:
===========
-Add missing SCHAR limit defines
-Use proper SPDX identifier
-Add Python 3.11 as a supported version
-Fix multi-pragma/single statement blocks (#479)
-Add an encoding parameter to parse_file
-Feature/add pragma support
-Set up permissions to ci.yml
-_build_tables: Invalidate cache before importing generated modules
-Upgrade GitHub Actions
-Create a Security Policy
-New example to generate AST from scratch
-Add support for Python 3.12
-ply: Make generated lextab.py deterministic

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>