chore: migrate to hosted scalable CI (#3620)

scripts/linux/build_torch.sh

@@ -2,8 +2,18 @@
 set -x -e
 cd "$(dirname "$0")"
 
+DEFAULT_TARGETS=(
+  "x86_64-linux-gnu"
+)
+
+if [ "$#" -gt 0 ]; then
+  TARGETS=("$@")
+else
+  TARGETS=("${DEFAULT_TARGETS[@]}")
+fi
+
 ../prepare_torch.sh
 
 cd ../torch_dart
 
-./build.sh x86_64-linux-gnu
+./build.sh "${TARGETS[@]}"