en_tn/heb/08/12.md

toward their evil deeds

This stands for the people who committed these evil deeds. Alternate translation: "to those who did evil deeds" (See: rc://en/ta/man/jit/figs-metonymy)

their sins I will not remember any longer

Here "remember" stands for "think about." (See: rc://en/ta/man/jit/figs-metonymy)