Enable python 3.13, allow pre-releases for CI (#1086)

Adds py3.13 to the CI.

Thanks to @hugovk for [pointing out `allow-prereleases` on his blog
post](https://dev.to/hugovk/help-test-python-313-14j1)!

---------

Co-authored-by: Steven B. <51370195+sdb9696@users.noreply.github.com>

.github/actions/setup/action.yaml

@@ -19,6 +19,7 @@ runs:
       id: setup-python
       with:
         python-version: "${{ inputs.python-version }}"
+        allow-prereleases: true
 
     - name: Setup pipx environment Variables
       id: pipx-env-setup