chore: run checks individually

Author: samrose

docker/nix/build_nix.sh

@@ -5,8 +5,9 @@ nix --version
 if [ -d "/workspace" ]; then
     cd /workspace
 fi
+nix build .#checks.$(nix-instantiate --eval -E builtins.currentSystem | tr -d '"').psql_15 -L --no-link
+nix build .#checks.$(nix-instantiate --eval -E builtins.currentSystem | tr -d '"').psql_16 -L --no-link
 nix build .#psql_15/bin -o psql_15
 nix build .#psql_16/bin -o psql_16
-nix flake check -L 
 nix copy --to s3://nix-postgres-artifacts?secret-key=nix-secret-key ./psql_15
 nix copy --to s3://nix-postgres-artifacts?secret-key=nix-secret-key ./psql_16