Add trigger times for main rocky9 pipeline

Author: khuddlefish

concourse/vars/common_prod.yml

@@ -25,6 +25,8 @@ reduced-frequency-trigger-start-rhel9: 5:00 AM
 reduced-frequency-trigger-stop-rhel9: 6:00 AM
 reduced-frequency-trigger-start-oel9: 7:00 AM
 reduced-frequency-trigger-stop-oel9: 8:00 AM
+reduced-frequency-trigger-start-rocky9: 9:00 AM
+reduced-frequency-trigger-stop-rocky9: 10:00 AM
 configure_flags: "--enable-cassert --enable-tap-tests"
 configure_flags_with_extensions: "--enable-cassert --enable-tap-tests --enable-debug-extensions"
 use_ccache: true