Force colour on pip

.github/workflows/release.yml

@@ -43,6 +43,8 @@ jobs:
           cache: pip
       - name: Install Python packages
         run: python -m pip install -r requirements.txt
+        env:
+          FORCE_COLOR: "1"
       - name: Generate release notes
         run: antsibull-changelog generate ${{ github.ref_name }} --only-latest
       - name: Publish the GitHub release