Update dependency jest-extended to v7 #38756

Job	Run time
Setup	36s
Acceptance tests (Node 22.18.0, mysql8)	9m 23s
Admin tests - Chrome	4m 8s
Acceptance tests (Node 22.18.0, sqlite3)	4m 42s
Unit tests (Node 22.18.0)	8m 10s
ActivityPub tests	1m 21s
Legacy tests (Node 22.18.0, sqlite3)	2m 8s
Lint	2m 22s
i18n	43s
Build & Publish Artifacts	9m 27s
Admin-X Settings tests	9m 15s
Check app version bump	35s
Legacy tests (Node 22.18.0, mysql8)	4m 0s
Ghost-CLI tests	8m 34s
Comments-UI tests	1m 21s
Signup-form tests	52s
Build E2E Public App Assets	38s
Tinybird Tests	0s
Deploy Tinybird	0s
Publish ${{ matrix.package_name }}	0s
Coverage	12s
Trigger Pro CD	4s
Build E2E Docker Image	1m 28s
Publish Ghost to npm	0s
Create GitHub Release	-1s
E2E Tests (2/8)	11m 22s
E2E Tests (4/8)	10m 3s
E2E Tests (6/8)	11m 3s
E2E Tests (7/8)	11m 45s
E2E Tests (8/8)	8m 3s
E2E Tests (5/8)	11m 5s
E2E Tests (1/8)	11m 55s
E2E Tests (3/8)	11m 9s
All required tests passed or skipped	2s
Merge Reports	25s
	2h 36m 50s

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