Move where the RISC-V toolchain is installed during the no-std workflow

.github/actions/build-dependencies/action.yml

@@ -52,7 +52,7 @@ runs:
       with:
         toolchain: ${{ inputs.rust-toolchain }}
         components: ${{ inputs.rust-components }}
-        targets: wasm32-unknown-unknown, riscv32imac-unknown-none-elf
+        targets: wasm32-unknown-unknown
 
     # - name: Cache Rust
     #   uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43

.github/workflows/no-std.yml

@@ -31,7 +31,7 @@ jobs:
           github-token: ${{ inputs.github-token }}
 
       - name: Install RISC-V Toolchain
-        run: sudo apt update && sudo apt install -y gcc-riscv64-unknown-elf gcc-multilib
+        run: sudo apt update && sudo apt install -y gcc-riscv64-unknown-elf gcc-multilib && rustup target add riscv32imac-unknown-none-elf
 
       - name: Verify no-std builds
         run: cd tests/no-std && CFLAGS=-I/usr/include cargo build --target riscv32imac-unknown-none-elf