Add setup dependency group to pyproject.toml

This will allow us to install the dependencies for building the
project in one location for users and the action.

.github/workflows/python-publish.yml

@@ -23,7 +23,7 @@ jobs:
 
     - name: Setup and Build
       run: |
-        pip install -U pip build
+        pip install -U pip .[setup]
         python -m build
         python -m twine check dist/*
 

pyproject.toml

@@ -47,6 +47,10 @@ docker = [
 ]
 podman = ["podman-py"]
 beaker = ["beaker-client"]
+setup = [
+    "build",
+    "twine",
+]
 
 [project.scripts]
 broker = "broker.commands:cli"