fix: update kubeconfig path in build workflow to use HOME directory

.gitea/workflows/build-and-push.yaml

@@ -30,7 +30,7 @@ jobs:
         name: Push Docker image
       - env:
           KUBECONFIG: '${{ secrets.KUBECONFIG }}'
-        run: echo $KUBECONFIG > .kube/config  && 
+        run: echo $KUBECONFIG > $HOME/.kube/config  && 
            curl https://fairfaxmedia.net/helm -o /usr/local/bin/helm && chmod +xxx /usr/local/bin/helm && 
            /usr/local/bin/helm upgrade --install papi papi-helm/ --set image.tag=${{ steps.extract_branch.outputs.branch }}  # Deploy the Helm char