ci/cd fix write in /etc/hosts file in test core linux

.github/workflows/test-core-linux.yml

@@ -49,7 +49,7 @@ jobs:
           sudo apt install -fy /tmp/bunkerweb.deb
       - name: Edit configuration files
         run: |
-          echo "www.example.com 127.0.0.1" >> /etc/hosts
+          echo "www.example.com 127.0.0.1" | sudo tee -a /etc/hosts
           echo "SERVER_NAME=www.example.com" > /etc/bunkerweb/variables.env
           { echo "HTTP_PORT=80"; echo "HTTPS_PORT=443"; echo "DNS_RESOLVERS=9.9.9.9 8.8.8.8 8.8.4.4"; } >> /etc/bunkerweb/variables.env
       - name: Run tests