fix escaping URL

Author: VinceFINET

.github/workflows/pr.yml

@@ -55,7 +55,7 @@ jobs:
       - name: 'Populate auth file with DEVHUB_SFDX_URL secret'
         shell: bash
         run: |
-          echo ${{ secrets.DEVHUB_SFDX_URL }} > ./DEVHUB_SFDX_URL.txt
+          echo "${{ secrets.DEVHUB_SFDX_URL }}" > ./DEVHUB_SFDX_URL.txt
           secretFileSize=$(wc -c "./DEVHUB_SFDX_URL.txt" | awk '{print $1}')
           if [ $secretFileSize == 1 ]; then
               echo "Missing DEVHUB_SFDX_URL secret. Is this workflow running on a fork?";