fix(nix): use nixpkgs pgbackrest instead of a from-source build#2267

hunleyd wants to merge 4 commits into

developsupabase/postgres:developfrom

douglashunley/indata-520-create-a-supabase-nix-pkg-for-pgbackrestsupabase/postgres:douglashunley/indata-520-create-a-supabase-nix-pkg-for-pgbackrestCopy head branch name to clipboard