feat: add flow internal context into webhook context #4398

Job	Run time
Generate SDKs	1m 8s
Run Playwright end-to-end tests (postgres)	6m 24s
Run Playwright end-to-end tests (cockroach)	6m 18s
Run tests and lints	22m 2s
Run end-to-end tests (postgres)	42m 54s
Run Playwright end-to-end tests (sqlite)	6m 4s
Run end-to-end tests (cockroach)	49m 4s
Run Playwright end-to-end tests (mysql)	6m 33s
Run end-to-end tests (sqlite)	42m 52s
Run end-to-end tests (mysql)	44m 4s
Build CLI docs	1m 12s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Render version schema	0s
Release SDKs	0s
Send newsletter	0s
Pending approval Slack notification	0s
	3h 48m 35s

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