Update workflow file

.github/workflows/icon-review.yml

@@ -45,8 +45,7 @@ jobs:
           IMAGE_UPLOAD: ${{ secrets.IMAGE_UPLOAD }}
         id: upload
         run: |
-          IMAGE_URL=$(curl -X POST https://freeimage.host/api/1/upload/?key=${{env.IMAGE_UPLOAD}} \
-            -F "[email protected]" | jq -r '.image.url')
+          IMAGE_URL=$(curl --location 'https://freeimage.host/json' --form 'source=@"./preview.png"' --form 'type="file"' --form 'action="upload"' --form 'auth_token="6d207e02198a847aa98d0a2a901485a5"' | jq -r '.image.url')
           echo image_url=$IMAGE_URL >> $GITHUB_ENV
         shell: bash
 
@@ -56,7 +55,7 @@ jobs:
           script: |
             const image_url = "${{ env.image_url }}";
             console.log('URL: '+image_url);
-            const commentBody = '## Preview \n\nThank you for creating a pull request. This preview shows you how your changes will look on the different themes: \n\n ![Generated Preview](image_url) \n\n You can find more information how to contribute in the [contribution guidelines](https://github.com/PKief/vscode-material-icon-theme/blob/main/CONTRIBUTING.md).';
+            const commentBody = '## Preview \n\nThank you for creating a pull request. This preview shows you how your changes will look on the different themes: \n\n ![Generated Preview](' + image_url + ') \n\n You can find more information how to contribute in the [contribution guidelines](https://github.com/PKief/vscode-material-icon-theme/blob/main/CONTRIBUTING.md).';
 
             github.rest.issues.createComment({
               issue_number: context.issue.number,