database: enable sqlite foreign key checks
database: enable sqlite foreign key checks

Foreign key checks are disabled in sqlite by default for compatibility
reasons. We enforce activating it for each connection.

jelly/arch-security-tracker,archlinux/arch-security-tracker,anthraxx/arch-security-tracker,anthraxx/arch-security-tracker,jelly/arch-security-tracker,archlinux/arch-security-tracker,anthraxx/arch-security-tracker