Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/deployment.yml

@@ -48,7 +48,7 @@ jobs:
           echo "$CLI_VERSION" > cli_version.txt
 
       - name: Upload WP-CLI version
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: cli_version
           path: cli_version.txt
@@ -57,7 +57,7 @@ jobs:
         run: php -dphar.readonly=0 utils/make-phar.php wp-cli.phar --version=$CLI_VERSION
 
       - name: Upload built Phar file
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: wp-cli-phar
           path: wp-cli.phar