python3-jinja2: upgrade 3.0.2 -> 3.0.3

What's Changed
update requirements by @davidism in #1524
test Python 3.10 by @davidism in #1530
test Python 3.11 by @davidism in #1531
Tests: Adapt expected traceback regexes for Python 3.11.0a1 by @hroncok in #1527
simplify CodeType rewriting by @davidism in #1536
native: keep same behavior on Python 3.10 by @mkrizek in #1537
Reduce async overhead due to auto_await by @mohd-akram in #1516
Use object.__hash__ for Node.__hash__ by @klette in #1522
Fix typos by @kianmeng in #1509
rewrite Template class doc by @davidism in #1538
remove reference to macro.defaults by @davidism in #1539
rewrite docs about extending template objects by @davidism in #1540
document chained pow order by @davidism in #1541
PackageLoader works with single module file by @davidism in #1542
release version 3.0.3 by @davidism in #1543

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>