Update workflow.yml

Author: thomasrockhu-codecov

.github/workflows/workflow.yml

@@ -4,7 +4,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5.0.0-beta
+      - uses: actions/checkout@v4
       - uses: matlab-actions/setup-matlab@v2
       - uses: matlab-actions/run-tests@v2
         with:
@@ -13,4 +13,4 @@ jobs:
       - uses: codecov/[email protected]
         with:
           file: coverage.xml
-          token: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ secrets.CODECOV_TOKEN }}