Update plus jwt in single regression

Author: pdabelf5

.github/workflows/single-image-regression.yml

@@ -140,4 +140,4 @@ jobs:
           azure-ad-secret: ${{ secrets.AZURE_AD_AUTOMATION }}
           registry-token: ${{ steps.auth.outputs.access_token }}
           test-image: "gcr.io/f5-gcs-7899-ptg-ingrss-ctlr/dev/test-runner:${{ hashFiles('./tests/requirements.txt', './tests/Dockerfile') }}"
-          plus-jwt: ${{ secrets.PLUS_JWT }}
+          plus-jwt: ${{ steps.secrets.outputs.PLUS_JWT }}