fix: update Gitea registry URLs in CI workflow; correct registry and image paths for consistency

.gitea/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Log in to Gitea Container Registry
         uses: docker/login-action@v3
         with:
-          registry: gitea.portal.tulsacounty.org
+          registry: gitea.purpleraft.com
           username: ${{ gitea.actor }}
           password: ${{ secrets.REGISTRY_TOKEN }}
 
@@ -31,7 +31,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: gitea.portal.tulsacounty.org/${{ gitea.repository }}
+          images: gitea.purpleraft.com/${{ gitea.repository }}
           tags: |
             type=ref,event=branch
             type=ref,event=pr