feat: Exclude kmods from Fedora 39 and future images #750

Job	Run time
main image (silverblue, 37, nokmods)	8m 3s
main image (silverblue, 37, kmods)	8m 38s
main image (silverblue, 38, nokmods)	6m 50s
main image (silverblue, 38, kmods)	10m 12s
main image (silverblue, 39, nokmods)	6m 3s
main image (kinoite, 37, nokmods)	7m 35s
main image (kinoite, 37, kmods)	9m 44s
main image (kinoite, 38, nokmods)	5m 52s
main image (kinoite, 38, kmods)	9m 35s
main image (kinoite, 39, nokmods)	6m 17s
main image (sericea, 38, nokmods)	4m 39s
main image (sericea, 38, kmods)	9m 23s
main image (sericea, 39, nokmods)	5m 2s
main image (onyx, 39, nokmods)	6m 18s
main image (base, 37, nokmods)	6m 25s
main image (base, 37, kmods)	10m 15s
main image (base, 38, nokmods)	5m 47s
main image (base, 38, kmods)	9m 4s
main image (base, 39, nokmods)	4m 0s
main image (lxqt, 37, nokmods)	6m 45s
main image (lxqt, 37, kmods)	13m 7s
main image (lxqt, 38, nokmods)	9m 22s
main image (lxqt, 38, kmods)	11m 57s
main image (lxqt, 39, nokmods)	6m 59s
main image (mate, 37, nokmods)	9m 50s
main image (mate, 37, kmods)	12m 9s
main image (mate, 38, nokmods)	8m 54s
main image (mate, 38, kmods)	9m 51s
main image (mate, 39, nokmods)	6m 20s
main image (vauxite, 37, nokmods)	7m 21s
main image (vauxite, 37, kmods)	11m 2s
main image (vauxite, 38, nokmods)	6m 39s
main image (vauxite, 38, kmods)	11m 4s
Check all builds successful	3s
	4h 31m 5s

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