python3-pystemd: upgrade 0.15.1 -> 0.15.3

Changelog:
============
- Fix type invariance causing too strict typing
- Add E2E testing infrastructure using mkosi for running tests in a real systemd environment
- Improve type annotations throughout pystemd, modernizing to Python 3.10+ syntax
- Add AmbientCapabilities to systemd1 KNOWN_UNIT_SIGNATURES
- Improve README.md clarity, spelling, and grammar

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-pystemd_0.15.1.bb

@@ -1,24 +0,0 @@
-SUMMARY = "Python bindings for interacting with systemd over DBus"
-LICENSE = "LGPL-2.1-only"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=4fbd65380cdd255951079008b364516c"
-
-SRC_URI[sha256sum] = "f217b5792f1e7c391ae46262f43566b6f83364507eaab5d5e73fcd05ab12d2bb"
-
-DEPENDS = "systemd"
-RDEPENDS:${PN} += "\
-    python3-xml \
-    python3-lxml \
-    python3-pprint \
-    python3-core \
-    python3-shell \
-    python3-io \
-"
-REQUIRED_DISTRO_FEATURES = "systemd"
-
-inherit pypi python_setuptools_build_meta features_check pkgconfig cython
-
-do_configure:prepend() {
-    rm -rf ${S}/pystemd/*.c
-}
-
-BBCLASSEXTEND = "native"