chore: mark 2.x as EOS #3224

Job	Run time
Examples / MigrationExamples	1m 3s
Static_Analysis / SpotBugs	15s
Build (8, temurin) / Build	12m 15s
Build (8, corretto) / Build	9m 33s
Build (17, temurin) / Build	14m 4s
Build (11, temurin) / Build	16m 43s
Build (17, corretto) / Build	5m 20s
Build (11, corretto) / Build	19m 33s
notify	-1s
	1h 18m 45s

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