Just updated to Ventura: getting recurring keychain access message that won't stop popping up

I just updated to Ventura earlier today.

Right after updating and starting up, I got a recurring "Reminders wants to use your confidential information..." message. I input my keychain password and clicked always allow, but the message kept popping up. Eventually, after maybe 20 times of doing this, it finally went away.

After a couple of hours, the message came back. Only this time, no matter how many times I input my password, the message immediately pops back up (and I mean immediately after I click allow). I've tried clicking deny, always allow, allow, etc. But it keeps coming back.

The specific keychain message I'm getting is "Reminders wants to use your confidential information stored in 'CalendarApps Access Group' in your keychain."

I am certain that I'm inputting the correct password. Also, I've already tried the one troubleshooting options I saw discussed in other threads--making sure that the keychain login settings aren't set to lock out after sleep or inactivity.

Any advice for fixing this would be very much appreciated!