Update matlabact.yml

Author: mw-jsgeorge

.github/workflows/matlabact.yml

@@ -62,7 +62,7 @@ jobs:
           wget https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-4.8.0.2856-linux.zip -O sonar-scanner.zip
           unzip sonar-scanner.zip
           mv sonar-scanner-4.8.0.2856-linux sonar-scanner
-          echo "::add-path::$(pwd)/sonar-scanner/bin"
+          echo "$(pwd)/sonar-scanner/bin" >> $GITHUB_PATH
 
       - name: Run SonarScanner CLI to upload coverage
         run: |