docs: Fix Next.js migration guide for v8 #31305

Job	Run time
Get Metadata	5s
Build	1m 14s
Check PR branches	2s
Check file formatting	1m 2s
Circular Dependency Check	1m 35s
Lint	5m 23s
Browser Unit Tests	1m 12s
Node (18) Unit Tests	1m 9s
Size Check	1m 45s
Node (20) Unit Tests	1m 10s
Node (22) Unit Tests	59s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	0s
Bun Unit Tests	0s
Check for faulty .d.ts files	58s
Deno Unit Tests	0s
Node Profiling Unit Tests	0s
PW ${{ matrix.bundle }} Tests	0s
Compile profiling-node (v${{ matrix.node }}) ${{ matrix.target_platform \|\| matrix.os }}, ${{ matrix.arch \|\| matrix.container }}, ${{ ((contains(matrix.container, 'alpine') && 'musl') \|\| 'glibc') }}	0s
Node (${{ matrix.node }})${{ ((matrix.typescript && format(' (TS {0})', matrix.typescript)) \|\| '') }} Integration Tests	0s
Remix v${{ matrix.remix }} (Node ${{ matrix.node }}) Tests	0s
Prepare E2E tests	2m 30s
Upload Artifacts	0s
E2E ${{ matrix.label \|\| matrix.test-application }} Test	0s
E2E ${{ matrix.label \|\| matrix.test-application }} Test (optional)	0s
E2E ${{ matrix.label \|\| matrix.test-application }} Test	0s
All required jobs passed or were skipped	1s
	19m 5s

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