Update login step to use Forgejo Container Registry and correct variable references

.forgejo/workflows/ansible.yml

@@ -42,12 +42,12 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
-    - name: Login to Forgejo Registry
+    - name: Login to Forgejo Container Registry
       uses: docker/login-action@v3
       with:
-        registry: ${{ secrets.CI_REGISTRY }}
+        registry: ${{ vars.REGISTRY }}
         username: ${{ secrets.CI_REGISTRY_USER }}
-        password: ${{ secrets.CI_TOKEN }}
+        password: ${{ secrets.FORGEJO_TOKEN }}
 
     - name: Build and push (${{ matrix.arch }})
       uses: docker/build-push-action@v5