ci: drop pagination and head pipe in asset URL lookup

Addresses review feedback: `gh api | head -n1` can fail under bash
pipefail because head closes the pipe early and SIGPIPEs gh api. The
tag_name + asset-name filter already returns a single URL, so drop
--paginate and the head pipe.

.github/workflows/smoke-test.yml

@@ -92,9 +92,10 @@ jobs:
           # releases too (browser /releases/download/... URLs 404 on drafts).
           # The installer passes Accept: application/octet-stream + bearer
           # auth, which is what the API asset endpoint expects.
-          URL=$(gh api --paginate "repos/${{ github.repository }}/releases" \
-            --jq ".[] | select(.tag_name == \"v${VERSION}\") | .assets[] | select(.name == \"kilo-linux-x64.tar.gz\") | .url" \
-            | head -n1)
+          # The tag_name filter yields at most one release and one asset,
+          # so --jq returns a single URL without needing head/pipefail games.
+          URL=$(gh api "repos/${{ github.repository }}/releases" \
+            --jq ".[] | select(.tag_name == \"v${VERSION}\") | .assets[] | select(.name == \"kilo-linux-x64.tar.gz\") | .url")
           if [[ -z "$URL" ]]; then
             echo "::error::asset kilo-linux-x64.tar.gz not found for v${VERSION}"
             exit 1