🧹 Improve `GeneratedPack` sourcegen: XML comments with mg and eg valu… #4489

Job	Run time
fast-tests (Debug, ubuntu-latest)	5m 50s
fast-tests (Debug, windows-latest)	3m 4s
make-build (ubuntu-latest)	38s
fast-tests (Debug, macOS-latest)	1m 11s
build-and-publish (ubuntu-latest)	48s
make-build (macOS-latest)	45s
fast-tests (Debug, macOS-13)	2m 0s
build-and-publish (windows-latest)	2m 2s
make-build (macOS-13)	1m 14s
long-running-tests (ubuntu-latest, LongRunning)	1m 24s
fast-tests (Release, ubuntu-latest)	1m 24s
build-and-publish (macOS-latest)	1m 1s
long-running-tests (windows-latest, LongRunning)	2m 55s
fast-tests (Release, windows-latest)	2m 14s
build-and-publish (macOS-13)	1m 12s
long-running-tests (macOS-latest, LongRunning)	1m 49s
other-tests (ubuntu-latest, Configuration)	51s
long-running-tests (macOS-13, LongRunning)	2m 8s
fast-tests (Release, macOS-latest)	1m 15s
other-tests (windows-latest, Configuration)	2m 6s
fast-tests (Release, macOS-13)	1m 33s
perft-tests (ubuntu-latest, Perft)	4m 3s
other-tests (macOS-latest, Configuration)	45s
winning-at-chess (ubuntu-latest, WinningAtChess_FixedTime)	2m 40s
perft-tests (windows-latest, Perft)	5m 38s
other-tests (macOS-13, Configuration)	59s
perft-tests (macOS-latest, Perft)	3m 17s
	54m 46s

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