Fix to adjust for main branch naming

Author: Domin0de

.github/workflows/docker.yml

@@ -48,7 +48,7 @@ jobs:
     concurrency: prod
     environment:
       name: prod
-    if: ${{ github.event_name != 'pull_request' && github.ref == 'refs/heads/main' }}
+    if: ${{ github.event_name != 'pull_request' && github.ref == 'refs/heads/master' }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -71,4 +71,4 @@ jobs:
           git commit -m "feat(website/prod): update image"
           git push -u origin update/website-prod/${{ github.sha }}
           gh pr create -B develop --title "feat(website/prod): update image" --body "Updates the image for the website-prod deployment to commit csesoc/csesoc-website@${{ github.sha }}." > URL
-          gh pr merge $(cat URL) --squash -d
+          gh pr merge $(cat URL) --squash -d