feat: drop Node.js 18 and 20 support, keep only Node 22 and 24 #37616

Job	Run time
setup	4m 36s
e2e-coverage	0s
./teamsAgent/teamsCollaboratorAgent.tests.ts	9m 7s
./teamsAgent/DebugCustomCopilotBasicBot.tests.ts	9m 7s
./teamsAgent/DebugCustomCopilotRagAiSearchBot.tests.ts	9m 54s
./teamsApp/basicBot.tests.ts	8m 36s
./declarativeAgent/DeclarativeAgentBasic.tests.ts	4m 16s
./teamsAgent/DebugCustomCopilotRagBasicBot.tests.ts	9m 24s
./teamsApp/basicTab.tests.ts	8m 7s
./declarativeAgent/DeclarativeAgentWithNoneAuth.tests.ts	8m 31s
./declarativeAgent/mcp/DeclarativeAgentMCPNoAuth.tests.ts	3m 50s
./declarativeAgent/DeclarativeAgentWithOAuth.tests.ts	8m 25s
./declarativeAgent/DeclarativeAgentWithApiKeyAuth.tests.ts	8m 27s
./declarativeAgent/typespec/typespec.withAction.tests.ts	4m 55s
./teamsApp/basicMessageExtension.tests.ts	8m 27s
./declarativeAgent/typespec/typespec.withoutAction.tests.ts	4m 53s
./samples/ProvisionTodoListSpfx.tests.ts	7m 30s
./feature/multienv.tests.ts	6m 41s
./declarativeAgent/DeclarativeAgentWithEntra.tests.ts	8m 18s
./declarativeAgent/mcp/DeclarativeAgentMCPWithAuth.tests.ts	3m 48s
tear-down	5m 31s
report	0s
rerun	3s
	2h 22m 26s

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