Fix docker build for release

.github/workflows/tests.yml

@@ -108,6 +108,17 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+    #   The following steps aren't needed, but if you want 100% guarantee the tagged/release build will work you can add them
+    #   - name: Set up Python
+    #     uses: actions/setup-python@v4
+    #     with:
+    #       python-version: "3.x"
+    #   - name: Install dependencies
+    #     run: |
+    #       python -m pip install --upgrade pip poetry
+    #       python -m poetry config virtualenvs.create false
+    #       python -m poetry self add "poetry-dynamic-versioning[plugin]"
+    #   - run: echo "TAG=$(poetry version -s)" | tee -a $GITHUB_ENV
       - uses: docker/login-action@v1
         if: github.repository_owner == 'locustio'
         with:
@@ -138,6 +149,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip poetry