fix(deps): bump next to 15.5.14 in nextjs-15 and nextjs-15-intl E2E test apps #44762

Job	Run time
job_get_metadata / Get Metadata	7s
Check PR branches	5s
Build	7m 4s
Check file formatting	48s
Check lockfile	3m 16s
Node (20) Unit Tests	1m 35s
Circular Dependency Check	1m 43s
Size Check	2m 4s
Browser Unit Tests	1m 40s
Node (22) Unit Tests	1m 33s
Lint	1m 10s
Node (24) Unit Tests	1m 21s
Node (18) Unit Tests	1m 19s
Cloudflare Integration Tests	56s
Check for faulty .d.ts files	40s
Prepare E2E tests	3m 2s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Node-Core Integration Tests	-1s
Node Overhead Check	-1s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	-1s
Upload Artifacts	-1s
Remix (Node ${{ matrix.node }}) Tests	-1s
PW ${{ matrix.bundle }} Tests	-1s
Deno Unit Tests	-1s
Bun Unit Tests	-1s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	-1s
E2E nextjs-15 Test	5m 58s
E2E nextjs-15 (turbo) Test (optional)	4m 16s
E2E nextjs-15 (latest) Test (optional)	6m 4s
E2E nextjs-15-intl Test	3m 39s
All required jobs passed or were skipped	2s
	48m 13s

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