וַיִּזְכֹּ֣ר לָהֶ֣ם בְּרִית֑וֹ וַ֝יִּנָּחֵ֗ם כְּרֹ֣ב חסדו [חֲסָדָֽיו׃]
And He remembered for them His covenant, And repented according to the multitude of His mercies.
Rashi on Psalms
and He relented in accordance with His abundant kindness On account of the end, when He heard, “Save us, etc.” Moses, too, included them in one verse (Deut. 4:30): “In this distress that will befall you etc.”