chore: fix installation of hurl

Error was: dpkg: error: requested operation requires superuser privilege

Correction for 206d310 commit.

Part of #13

Author: php-coder

.github/workflows/integration-tests.yml

@@ -33,7 +33,7 @@ jobs:
         run: |
           DEB=hurl_4.2.0_amd64.deb
           curl --no-progress-meter --remote-name https://github.com/Orange-OpenSource/hurl/releases/download/4.2.0/$DEB
-          dpkg --install $DEB
+          sudo dpkg --install $DEB
 
       - name: Show tools versions
         run: |