set build toolchain

Author: fbsobreira

.github/workflows/libvmexeccapi-build.yml

@@ -32,6 +32,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.77.1
       - name: Add tragets
         run: |
           rustup target add aarch64-unknown-linux-gnu