[determine-reboot-cause] delay execution (#8935)

Since database.service has been moved to execute after rc-local.service,
and determine-reboot-cause.service rely on database.service, we have to
specify that in "After=".

Signed-off-by: Xichen Lin <xichenlin@microsoft.com>

Co-authored-by: Xichen Lin <xichenlin@microsoft.com>

src/sonic-host-services-data/debian/sonic-host-services-data.determine-reboot-cause.service

@@ -1,7 +1,7 @@
 [Unit]
 Description=Reboot cause determination service
-Requires=rc-local.service
-After=rc-local.service
+Requires=rc-local.service database.service
+After=rc-local.service database.service
 
 [Service]
 Type=simple