Add wasm target to Rust toolchain in CI

Signed-off-by: Till Schneidereit <[email protected]>

Author: tschneidereit

.github/workflows/build.yml

@@ -257,6 +257,7 @@ jobs:
         id: toolchain
         with:
           toolchain: ${{ inputs.rust_version }}
+          targets: "wasm32-wasip1"
       - name: Install WASI-SDK
         run: |
           cd /tmp