You can update your app yourself without deleting it. (This is from
https://support.apple.com/guide/iphone/update-apps-iph98709f167/ios)
Apps installed by default on your iPhone are updated whenever you update iOS. Apps that you download from the App Store app are automatically updated by default, but you can manually update an app.
Turn off automatic app updates
Go to Settings > App Store.
Turn off App Updates.
Manually update apps
Open the App Store app on your iPhone.
Tap the My Account button or your picture at the top right.
Scroll down, then tap Update next to apps you want to update, or tap Update All.
After an app is updated, it appears in the list of apps below Updated Recently.