Try to make image_tag into a longer string

Author: JackWilb

.github/workflows/build-image.yml

@@ -43,7 +43,7 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           image_name: ${{ github.repository }} 
-          image_tag: ${{ matrix.software-versions.django-version }}-${{ github.ref_name }}
+          image_tag: "${{ matrix.software-versions.django-version }}-${{ github.ref_name }}"