Make publish-to-testpypi manual

.github/workflows/main.yml

@@ -1,6 +1,8 @@
 name: Publish Python 🐍 distribution 📦 to PyPI and TestPyPI
 
-on: push
+on:
+  push:
+  workflow_dispatch:
 
 jobs:
   build:
@@ -30,15 +32,15 @@ jobs:
   publish-to-pypi:
     name: >-
       Publish Python 🐍 distribution 📦 to PyPI
-    if: startsWith(github.ref, 'refs/tags/') # only publish to PyPI on tag pushes
+    if: startsWith(github.ref, 'refs/tags/')
     needs:
       - build
     runs-on: ubuntu-latest
     environment:
       name: pypi
       url: https://pypi.org/p/inia
     permissions:
-      id-token: write # IMPORTANT: mandatory for trusted publishing
+      id-token: write
 
     steps:
       - name: Download all the dists
@@ -94,7 +96,7 @@ jobs:
     needs:
       - build
     runs-on: ubuntu-latest
-
+    if: ${{ github.event_name == 'workflow_dispatch'}}
     environment:
       name: testpypi
       url: https://test.pypi.org/p/inia