yes I am connected to Wordfence central.
the options in wordfence central and in the wpadmin are the same, and I have never seen an option in either to disable notifications for plugins and themes.
Here are a list of the options available. Please do show me where is this option?
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Email me when Wordfence is automatically updated
If you have automatic updates enabled (see above), you’ll get an email when an update occurs.
Email me if Wordfence is deactivated
Email me if the Wordfence Web Application Firewall is turned off
Alert me with scan results of this severity level or greater:
Low
Alert when an IP address is blocked
Alert when someone is locked out from login
Alert when someone is blocked from logging in for using a password found in a breach
Alert when the “lost password” form is used for a valid user
Alert me when someone with administrator access signs in
Only alert me when that administrator signs in from a new device or location
Alert me when a non-admin user signs in
Only alert me when that user signs in from a new device or location
Alert me when there’s a large increase in attacks detected on my site
Maximum email alerts to send per hour
0 means unlimited alerts will be sent.