Reverted to molecule-action 5.0.3 and tox

molecule-action no long supports multiple arguments in the command
option, so I reverted molecule-action to a more mature version and use
tox to drive molecule.

.github/workflows/publish.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - uses: robertdebock/[email protected]
         with:

.github/workflows/test.yml

@@ -9,6 +9,4 @@ jobs:
         with:
           path: "${{ github.repository }}"
 
-      - uses: robertdebock/[email protected]
-        with:
-          command: "--base-config molecule/_shared/base.yml test --all"
+      - uses: robertdebock/[email protected]

tox.ini

@@ -0,0 +1,7 @@
+[tox]
+env_list = py310-molecule60
+minversion = 4.11.3
+
+[testenv]
+allowlist_externals = molecule
+commands = molecule --base-config molecule/_shared/base.yml test --all