Update timestamp on every page reload

PRODX-35932

Change-Id: I562124407f8fce9aeb31ca1cebdcfbf5896e84c6
diff --git a/testrail_bot/control/views.py b/testrail_bot/control/views.py
index 9077a7c..7c94a25 100644
--- a/testrail_bot/control/views.py
+++ b/testrail_bot/control/views.py
@@ -29,6 +29,7 @@
     else:
         form = forms.TestRunForm(instance=run)
 
+    form.fields["timestamp"].initial = datetime.date.today()
     return render(request, "control/update_run.html",
                   {"form": form, "run_id": run_id})