fix: added the right output binary arch postfix

Signed-off-by: Paul Bastide <pbastide@us.ibm.com>

Author: prb112

.github/workflows/publish-llm-d-inference-sim.yaml

@@ -41,14 +41,14 @@ jobs:
 
       - name: Build the binaries
         run: |
-          mkdir -p tmp/ && \
+          set -ex && mkdir -p tmp/ && \
           cd tmp/ && \
           curl -O -L https://github.com/llm-d/llm-d-inference-sim/archive/refs/tags/v0.8.2.zip && \
               unzip v0.8.2.zip && \
           cd llm-d-inference-sim-0.8.2 && \
           cp cmd/llm-d-inference-sim/main.go cmd/cmd.go && \
-          CGO_ENABLED=0 GOOS=linux GOARCH=ppc64le go build -o bin/llm-d-inference-sim ./cmd/cmd.go && \
-          CGO_ENABLED=0 GOOS=linux GOARCH=s390x go build -o bin/llm-d-inference-sim ./cmd/cmd.go
+          CGO_ENABLED=0 GOOS=linux GOARCH=ppc64le go build -o bin/llm-d-inference-sim-ppc64e ./cmd/cmd.go && \
+          CGO_ENABLED=0 GOOS=linux GOARCH=s390x go build -o bin/llm-d-inference-sim-s390x ./cmd/cmd.go
 
       # Install the cosign tool except on PR
       # https://github.com/sigstore/cosign-installer