docs: add references to pip-compile bug to explain things better

pyproject.toml

@@ -63,6 +63,8 @@ dev = [
 # because if it depends on `g2p[api]` then we end up with
 # `g2p==SOMEVERSION` in requirements.txt and we DO NOT want that to
 # happen.
+# See https://github.com/jazzband/pip-tools/issues/2002
+# See https://github.com/juftin/hatch-pip-compile/issues/78
 prod = [
   "gunicorn>=21.1.0",
 ]
@@ -132,6 +134,7 @@ features = [ "api", "prod" ]
 type = "pip-compile"
 python = "3.10"
 lock-filename = "requirements.txt"
+pip-compile-verbose = false
 
 [tool.hatch.envs.prod.scripts]
 serve = "gunicorn --worker-class eventlet -w 1 g2p.app:APP --no-sendfile"