build: make swagger generated files depend on the code generator
build: make swagger generated files depend on the code generator

When the code generator changes, re-generate the code.

avikivity/seastar,syuu1228/seastar,cloudius-systems/seastar,syuu1228/seastar,dreamsxin/seastar,avikivity/seastar,scylladb/seastar,avikivity/seastar,dreamsxin/seastar,cloudius-systems/seastar,cloudius-systems/seastar,scylladb/seastar,dreamsxin/seastar,syuu1228/seastar,scylladb/seastar