correct workflow aws region

Author: briskt

.github/workflows/test-deploy-publish.yml

@@ -78,7 +78,7 @@ jobs:
         with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: ${{ vars.AWS_REGION }}
+          aws-region: ${{ matrix.region }}
 
       - name: Build
         run: CGO_ENABLED=0 go build -tags lambda.norpc -ldflags="-s -w" -o bootstrap ./lambda