You do not normally need to update the whole GApps package. Google Play Services and Play Store update themselves automatically via the Play Store. Only when you upgrade LineageOS to a newer Android version (e.g., from 19.1 to 20) do you need to flash a new GApps package.
NikGApps is the modern favorite. It offers granular control, an add-on system, and supports Android 12L flawlessly. gapps for lineage os 191 top
The choice of GApps depends on whether you want a full Google experience or a minimal setup to save system resources. MindTheGapps (Official Recommendation) You do not normally need to update the whole GApps package
It delivers a clean setup containing only the absolute vital GMS components. NikGApps is the modern favorite
Users report that is a reliable minimal choice, while larger variants sometimes fail to replace AOSP apps correctly on ARM devices. On some older devices like the Samsung Galaxy J7, NikGapps is the only package that works.