feat: add `status.lastRunAt` field to WorkflowTemplates. Fixes #1915 #23709

Job	Run time
argo-images (argoexec)	3m 44s
Get changed files	5s
argo-images (argocli)	5m 33s
Windows Unit Tests	8m 23s
Lint	4m 37s
Codegen	5m 31s
Unit Tests	5m 8s
UI	0s
E2E Tests (test-executor, minimal, false)	16m 54s
E2E Tests (test-corefunctional, minimal, false)	15m 37s
E2E Tests (test-functional, minimal, false)	22m 32s
E2E Tests (test-api, mysql, true)	15m 20s
E2E Tests (test-cli, mysql, true)	13m 40s
E2E Tests (test-cron, minimal, false)	25m 31s
E2E Tests (test-examples, minimal, false)	8m 18s
E2E Tests (test-plugins, plugins, false)	5m 8s
E2E Tests (test-java-sdk, minimal, true)	5m 13s
E2E Tests (test-python-sdk, minimal, true)	5m 16s
E2E Tests (test-executor, v1.28.13+k3s1, minimal, false)	17m 51s
E2E Tests (test-corefunctional, v1.28.13+k3s1, minimal, false)	15m 49s
E2E Tests (test-functional, v1.28.13+k3s1, minimal, false)	25m 8s
E2E Tests - Composite result	1s
	3h 45m 19s

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