Fixed CI

Author: ankane

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       # for faiss
-      - run: sudo apt-get update && apt-get install libblas-dev liblapack-dev
+      - run: sudo apt-get update && sudo apt-get install libblas-dev liblapack-dev
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}