Change minimum stability

Author: TobiasGraml11

.github/action/setup_shop/action.yml

@@ -12,6 +12,10 @@ runs:
       shell: bash
       run: shopware-cli project create shopware ${{ inputs.shopware-version }}
 
+    - name: Set minimum stability to dev
+      shell: bash
+      run: composer config minimum-stability dev
+
     - name: Install Shopware
       shell: bash
       run: |