fix: skip playwright install-deps on macOS

The install-deps command is Linux-specific and not needed on macOS
where system dependencies are handled differently.

Author: ammar-agent

.github/actions/setup-playwright/action.yml

@@ -31,6 +31,7 @@ runs:
       shell: bash
       run: bun x playwright install ${{ inputs.browsers }}
 
-    - name: Install Playwright system dependencies
+    - name: Install Playwright system dependencies (Linux)
+      if: runner.os == 'Linux'
       shell: bash
       run: bun x playwright install-deps ${{ inputs.browsers }}