meta(changelog): Update changelog for 10.40.0-beta.0 #43749

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Get Metadata	10s
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Check PR branches	2s
Check file formatting	3m 24s
Build	0s
Deno Unit Tests	0s
PW ${{ matrix.bundle }} Tests	0s
Cloudflare Integration Tests	0s
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Prepare E2E tests	0s
Circular Dependency Check	0s
Check for faulty .d.ts files	0s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	0s
Lint	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Node-Core Integration Tests	0s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test (optional)	0s
Remix (Node ${{ matrix.node }}) Tests	0s
Browser Unit Tests	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	-1s
Node (${{ matrix.node }}) Unit Tests	-1s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test	-1s
All required jobs passed or were skipped	4s
	6m 37s

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