Update java/ql/integration-tests/java/buildless-snapshot-repository/test.py

Co-authored-by: Paolo Tranquilli <redsun82@github.com>

java/ql/integration-tests/java/buildless-snapshot-repository/test.py

@@ -6,7 +6,8 @@ def test(codeql, java):
     # This serves the "repo" directory on http://localhost:9427
     command = ["python3", "-m", "http.server", "9427", "-b", "localhost"]
     if runs_on.github_actions and runs_on.posix:
-        # On GitHub Actions, we try to run the server with higher priority
+        # On GitHub Actions, we saw the server timing out while running in parallel with other tests
+        # we work around that by running it with higher permissions
         command = ["sudo"] + command
     repo_server_process = subprocess.Popen(
         command, cwd="repo"