Install wasm-ld as well

Author: alexcrichton

.github/actions/setup/action.yml

@@ -53,7 +53,7 @@ runs:
         set -ex
         v=${{ inputs.clang_version }}
         sudo apt-get update
-        sudo apt-get install -y clang-$v clang-tools-$v
+        sudo apt-get install -y clang-$v clang-tools-$v lld-$v
         echo "CC=clang-$v" >> $GITHUB_ENV
         echo "AR=llvm-ar-$v" >> $GITHUB_ENV
         echo "NM=llvm-nm-$v" >> $GITHUB_ENV