Next point update
Returns next_point_update True in the https://security-tracker.debian.org/tracker/data/json based on data/next-point-update.txt and data/next-oldstable-point-update.txt
Creates a new table (next_point_update) and inserts the content of "data/next-point-update.txt" and "data/next-oldstable-point-update.txt". Changes the https://security-tracker.debian.org/tracker/data/json endpoint.
Needed for https://salsa.debian.org/carlespina/distro-tracker/-/tree/better-no-dsa-support (see freexian-team/project-funding#2 (closed) for details).