fixed the query for the commit annotation

dashboards/dashboard_base.py

@@ -28,7 +28,7 @@ def get_annotation(*args, **kwargs):
 def get_commit_annotation(datasource: str, color: str, name: str, measurment_name: str, *, commit_key: str = "commit"):
     query = (f"SELECT first(\"{commit_key}\") FROM "
              f"( SELECT * FROM \"{measurment_name}\" "
-             f"WHERE host =~ /^$host$/ AND $timeFilter) GROUP BY \"${commit_key}\"")
+             f"WHERE host =~ /^$host$/ AND $timeFilter) GROUP BY \"{commit_key}\"")
     return get_annotation(datasource, color, name, query)
 
 
@@ -125,7 +125,8 @@ def build_dashboard(options: DashboardOptions,
         **asdict(options),
         **kwargs,
         templating=Templating(templating),
-        time=Time('now-7d', 'now'),
+        time=Time('now-14d', 'now'),
+        refresh='5m',
     )
 
     return dashboard.auto_panel_ids()