fix: parse pytest output with warnings in check_test_speed

The regex only matched "N passed in X.XXs" but pytest can output
"N passed, M warnings in X.XXs". Updated regex to handle both.

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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

scripts/check_test_speed.py

@@ -16,7 +16,7 @@ from gitea_runner_manager.i18n import _
 
 DEFAULT_MAX_SECONDS = 2.0
 TEST_COMMAND = ["make", "test-unit"]
-_TIMING_RE = re.compile(r"(\d+) passed in ([0-9.]+)s")
+_TIMING_RE = re.compile(r"(\d+) passed.* in ([0-9.]+)s")
 
 
 def run_tests() -> tuple[str, str]: