Resolve actionlint env error

Signed-off-by: Vipul Gupta (@vipulgupta2048) <[email protected]>

.github/workflows/flowzone.yml

@@ -31,6 +31,7 @@ jobs:
     name: Check links in pull request
     runs-on: ubuntu-latest
     needs: flowzone
+
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -54,16 +55,17 @@ jobs:
           key: cache-lychee-${{ github.sha }}
           restore-keys: cache-lychee-
 
+      - name: Set Deployment URL
+        run: echo "DEPLOYMENT_URL=${{ needs.flowzone.outputs.cloudflare_deployment_url || 'https://docs.balena.io' }}" >> $GITHUB_ENV
+
       # Run link checker on the generated HTML
       - name: Link Checker
         id: lychee
         uses: lycheeverse/lychee-action@2b973e86fc7b1f6b36a93795fe2c9c6ae1118621 # for v1.10.0
-        env:
-          DEPLOYMENT_URL: ${{ needs.flowzone.outputs.cloudflare_deployment_url || 'https://docs.balena.io' }}
         with:
           args: >
             -qq
-            --base ${{ env.DEPLOYMENT_URL }}
+            --base $DEPLOYMENT_URL
             --config ./lychee.toml
             "build/**/*" "tools/fetch-external.sh"
           token: ${{ secrets.GITHUB_TOKEN }}