Pin the pytest version to 7.4.3

Author: FlorentClarret

datadog_checks_dev/pyproject.toml

@@ -38,7 +38,7 @@ dependencies = [
     "mock",
     "psutil",
     "py>=1.8.2; python_version < '3.0'",  # https://github.com/ionelmc/pytest-benchmark/issues/226
-    "pytest",
+    "pytest==7.4.3",
     "pytest-asyncio>=0.20.3; python_version > '3.0'",
     "pytest-benchmark[histogram]<4.0.0; python_version < '3.0'",
     "pytest-benchmark[histogram]>=4.0.0; python_version > '3.0'",