Removed older OS from CI #196

Job	Run time
Build, Test and deploy documentation (debug)	8m 35s
Build and Test (debian-12, debug)	8m 25s
Build, Test and deploy documentation (release)	12m 46s
Build and Test (debian-12, release)	9m 2s
Build and Test (ubuntu-22.04, debug)	7m 31s
Indepth Tests (no CLN)	7m 55s
Build and Test (ubuntu-22.04, release)	7m 46s
Indepth Tests (no parser)	4m 23s
Build and Test (ubuntu-24.04, debug)	8m 43s
Indepth Tests (no CLN, no parser)	2m 57s
Build and Test (ubuntu-24.04, release)	9m 12s
Email notification	5s
	1h 27m 20s

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