fix: missing docker sock binding

Author: PierreJeanjacquot

.github/workflows/sconify.yml

@@ -85,8 +85,10 @@ jobs:
         run: docker pull registry.scontain.com/scone-production/iexec-sconify-image:${{ inputs.sconify-version }}
 
       - name: Sconify Image Debug
-        run:
-          docker run registry.scontain.com/scone-production/iexec-sconify-image:${{ inputs.sconify-version }} sconify_iexec \
+        run: docker run \
+          -v /var/run/docker.sock:/var/run/docker.sock \
+          registry.scontain.com/scone-production/iexec-sconify-image:${{ inputs.sconify-version }} \
+          sconify_iexec \
           --from=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }} \
           --to=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-debug-${{ inputs.sconify-version }} \
           --binary-fs \
@@ -107,7 +109,10 @@ jobs:
         if: ${{ !inputs.debug-only }}
         run: |
           mkdir -p /sig && echo ${{ secrets.scone-signing-key }} > /sig/enclave-key.pem
-          docker run registry.scontain.com/scone-production/iexec-sconify-image:${{ inputs.sconify-version }} sconify_iexec \
+          docker run \
+          -v /var/run/docker.sock:/var/run/docker.sock \
+          registry.scontain.com/scone-production/iexec-sconify-image:${{ inputs.sconify-version }} \
+          sconify_iexec \
           --from=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }} \
           --to=${{ inputs.docker-registry }}/${{ inputs.image-name }}:${{ inputs.image-tag }}-scone-prod-${{ inputs.sconify-version }} \
           --binary-fs \