Much smaller CI output for paralell tests

The output of parallel tests especially for lowest-direct tests
is very long because we are printing state every 10 seconds and there
are many paralell test types (90+ for lowest direct). We do not need
to print progress that often, and it has already been added in apache#39946
but one place to add it was missing - context manager still had
the default 10 seconds refresh time.

After this change the output will be printed every 20 seconds in
the regular tests and every 2 minutes in "lowest-direct" tests
(controlled by env variable) so the output should be much easier
to find reasons for issues.

dev/breeze/src/airflow_breeze/utils/parallel.py

@@ -463,7 +463,7 @@ def run_with_pool(
     parallelism: int,
     all_params: list[str],
     initial_time_in_seconds: int = 2,
-    time_in_seconds: int = 10,
+    time_in_seconds: int = int(os.environ.get("AIRFLOW_MONITOR_DELAY_TIME_IN_SECONDS", "20")),
     debug_resources: bool = False,
     progress_matcher: AbstractProgressInfoMatcher | None = None,
 ) -> Generator[tuple[Pool, list[Output]], None, None]: