systemd/{xorg-server,networkmanager}: upgrade & rebase

xorg-server:

• https://gitlab.alpinelinux.org/alpine/aports/-/commit/a54d1c070c87699fc0c79987ac7035e5aac66174
• https://gitlab.alpinelinux.org/alpine/aports/-/commit/7a031648bc577ead4710d9880779c61c1df9d93d
• https://gitlab.alpinelinux.org/alpine/aports/-/commit/255f451f7f26a3a7f2dc44d2313a0b8490daa7d5

networkmanager:

• https://gitlab.alpinelinux.org/alpine/aports/-/commit/3c88e14bf6eea43f65e46d5e7bc765f862c6c99f