fix: use env for secrets too

Author: reedham-aws

.github/workflows/release.yml

@@ -44,6 +44,9 @@ jobs:
           DEVELOPMENT_VERSION: ${{ github.event.inputs.developmentVersion }}
       - name: Upload to Central Publisher Portal
         run: |
-          AUTH=$(echo -n "${{ secrets.CENTRAL_USERNAME }}:${{ secrets.CENTRAL_PASSWORD }}" | base64)
+          AUTH=$(echo -n "$CENTRAL_USERNAME:$CENTRAL_PASSWORD" | base64)
           curl --fail -X POST "https://ossrh-staging-api.central.sonatype.com/manual/upload/defaultRepository/com.amazonaws.serverless" \
             -H "Authorization: Bearer $AUTH"
+        env:
+          CENTRAL_USERNAME: ${{ secrets.CENTRAL_USERNAME }}
+          CENTRAL_PASSWORD: ${{ secrets.CENTRAL_PASSWORD }}