Fix PyPI trusted publisher auth and add manual workflow trigger (#69)

* Initial plan

* Fix PyPI trusted publisher configuration by removing environment

Co-authored-by: michaelchu <540510+michaelchu@users.noreply.github.com>

* Add workflow_dispatch trigger to enable manual workflow execution

Co-authored-by: michaelchu <540510+michaelchu@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: michaelchu <540510+michaelchu@users.noreply.github.com>

Author: Copilot

.github/workflows/python-publish.yml

@@ -11,6 +11,7 @@ name: Upload Python Package
 on:
   release:
     types: [published]
+  workflow_dispatch:
 
 permissions:
   contents: read
@@ -46,17 +47,6 @@ jobs:
       # IMPORTANT: this permission is mandatory for trusted publishing
       id-token: write
 
-    # Dedicated environments with protections for publishing are strongly recommended.
-    # For more information, see: https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment#deployment-protection-rules
-    environment:
-      name: pypi
-      # OPTIONAL: uncomment and update to include your PyPI project URL in the deployment status:
-      # url: https://pypi.org/p/optopsy
-      #
-      # ALTERNATIVE: if your GitHub Release name is the PyPI project version string
-      # ALTERNATIVE: exactly, uncomment the following line instead:
-      url: https://pypi.org/project/optopsy/${{ github.event.release.name }}
-
     steps:
       - name: Retrieve release distributions
         uses: actions/download-artifact@v4