CI: Add debug logging to WPT run to see if we are overusing /tmp

Author: https://github.com/ADKaster
Commit: https://github.com/SerenityOS/serenity/commit/aef188207c
Pull-request: https://github.com/SerenityOS/serenity/pull/23186

Meta/Azure/Lagom.yml

@@ -173,7 +173,9 @@ jobs:
 
     - ${{ if and(eq(parameters.fuzzer, 'NoFuzz'), eq(parameters.os, 'Linux') ) }}:
       - script: |
+          du -sh /tmp* | sort -h
           ./run.sh
+          du -sh /tmp* | sort -h
         displayName: 'WPT'
         workingDirectory: $(Build.SourcesDirectory)/Tests/LibWeb/WPT/
         env: