Pin versions of tooling in setup (#67)

Generally a good idea, but also prevents the state I'm in where my
version is different than everyone else and our generation step causes
all sql files to get an update due to the version line changing in the
output. 😁

Author: schottra

Makefile

@@ -24,8 +24,8 @@ psql::
 	docker compose exec db psql -U postgres
 
 setup::
-	go install github.com/bokwoon95/wgo@latest
-	go install -v github.com/sqlc-dev/sqlc/cmd/sqlc@latest
+	go install github.com/bokwoon95/wgo@v0.5.11
+	go install -v github.com/sqlc-dev/sqlc/cmd/sqlc@v1.29.0
 
 apidiff::
 	open http://localhost:1323/apidiff.html