pipeline security (#22)

Author: dimbleby

.github/workflows/build.yml

@@ -54,6 +54,8 @@ jobs:
             target: x86_64-pc-windows-msvc
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Install Rust (rustup)
         run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
         shell: bash