💥 Add generic payload visitor for WorkflowActivation[Completion] #3039

Job	Run time
test-latest-deps	10m 41s
build-lint-test (3.9, macos-intel)	14m 54s
build-lint-test (3.9, macos-arm)	6m 45s
build-lint-test (3.9, windows-latest)	15m 6s
build-lint-test (3.13, ubuntu-latest)	17m 21s
build-lint-test (3.9, ubuntu-arm)	10m 53s
build-lint-test (3.9, ubuntu-latest)	11m 51s
build-lint-test (3.13, macos-intel)	19m 17s
build-lint-test (3.13, macos-arm)	10m 13s
build-lint-test (3.13, windows-latest)	17m 15s
features-tests / test	7m 26s
build-lint-test (3.13, ubuntu-arm)	12m 52s
	2h 34m 34s

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