Update actions/upload-artifact version to 4 (#1748)

## Motivation for the change, related issues

[Tests are
failing](https://github.com/WordPress/wordpress-playground/actions/runs/10808887583/job/29982862871?pr=1745)
because [v1 and v2 of the artifact
actions](https://github.blog/changelog/2024-02-13-deprecation-notice-v1-and-v2-of-the-artifact-actions/)
were deprecated.

## Implementation details

Updated the `actions/upload-artifact` version to 4.

## Testing Instructions (or ideally a Blueprint)

- CI

.github/workflows/build-website.yml

@@ -34,7 +34,7 @@ jobs:
             - run: npm run build
             - run: tar -czf wasm-wordpress-net.tar.gz dist/packages/playground/wasm-wordpress-net
             # Store dist/packages/artifacts/wasm-wordpress-net as a build artifact
-            - uses: actions/upload-artifact@v2
+            - uses: actions/upload-artifact@v4
               with:
                   name: playground-website
                   path: wasm-wordpress-net.tar.gz

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
             - run: sudo ./node_modules/.bin/cypress install --force
             - run: sudo CYPRESS_CI=1 npx nx e2e playground-website --configuration=ci --verbose
             # Upload the Cypress screenshots as artifacts if the job fails
-            - uses: actions/upload-artifact@v2
+            - uses: actions/upload-artifact@v4
               if: ${{ failure() }}
               with:
                   name: cypress-screenshots

packages/php-wasm/node/src/lib/networking/inbound-tcp-to-ws-proxy.ts

@@ -56,6 +56,7 @@ export function listenTCPToWSProxy(options: InboundTcpToWsProxyOptions) {
 				'WS->TCP message:',
 				new TextDecoder().decode(e.data as ArrayBuffer)
 			);
+			// @ts-ignore-next-line
 			tcpSource.write(Buffer.from(e.data as ArrayBuffer));
 		});
 		wsTarget.addEventListener('close', () => {