fix: repair docker login syntax

.gitea/workflows/ci.yml

@@ -49,9 +49,11 @@ jobs:
 
       - name: Postavi kubeconfig
         run: |
-          mkdir -p $HOME/.kube
-          echo "${{ secrets.KUBE_CONFIG }}" | base64 -d > $HOME/.kube/config
-          chmod 600 $HOME/.kube/config
+          mkdir -p ~/.kube
+          cat <<EOF | base64 -d > ~/.kube/config
+          ${{ secrets.KUBE_CONFIG }}
+          EOF
+          chmod 600 ~/.kube/config
 
       - name: Update image tag u manifestu
         run: |