ci: update Hurl to 6.0.0

Author: php-coder

.github/workflows/integration-tests.yml

@@ -84,7 +84,7 @@ jobs:
 
       - name: Install Hurl
         run: |
-          VER=5.0.1
+          VER=6.0.0
           DEB=hurl_${VER}_amd64.deb
           curl --location --no-progress-meter --remote-name https://github.com/Orange-OpenSource/hurl/releases/download/$VER/$DEB
           sudo dpkg --install $DEB