Merge pull request #24709 from keszybz/partition-table-constants

Expose various GPT UUIDs as public contants and link them up in docs

diff --cc TODO
Simple merge

diff --cc man/kernel-install.xml
Simple merge

diff --cc man/org.freedesktop.systemd1.xml
Simple merge

diff --cc man/systemctl.xml
Simple merge

diff --cc src/home/homework-luks.c
Simple merge

diff --cc src/partition/repart.c
Simple merge

diff --cc src/shared/dissect-image.c
Simple merge

diff --cc src/shared/find-esp.c
Simple merge

diff --cc src/systemd/meson.build
Simple merge

diff --cc src/test/test-loop-block.c
Simple merge

diff --cc src/udev/udev-builtin-blkid.c
Simple merge