Try not-deprecated way of writing to a file

Author: adamtheturtle

.github/workflows/release.yml

@@ -113,7 +113,7 @@ jobs:
           sleep 120
           pip install vws-cli==${{ env.NEXT_VERSION }}
           poet --formula vws-cli > ${{ env.FILENAME }}
-          echo '::set-output name=HOMEBREW_RECIPE_FILE::${{ env.FILENAME }}'
+          echo "HOMEBREW_RECIPE_FILE=${{ env.FILENAME }}" >> $GITHUB_OUTPUT
 
       - name: "Update Homebrew description"
         uses: jacobtomlinson/gha-find-replace@v3