fix

Author: alamb

.github/workflows/extended.yml

@@ -49,7 +49,7 @@ jobs:
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
           source $HOME/.cargo/env
-          rustup toolchain default
+          rustup toolchain install
       - name: Install Protobuf Compiler
         run: sudo apt-get install -y protobuf-compiler
       - name: Prepare cargo build