fix: install poetry for GH actions

Author: elucchesileon

.github/workflows/lint-publish.yml

@@ -8,6 +8,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install poetry
+        run: pipx install poetry
+
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
         with:
@@ -35,6 +38,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install poetry
+        run: pipx install poetry
+
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
         with: