chore(ci): Add riscv32imc-esp-espidf to the list of crosscompile targets

Signed-off-by: Léo Gillot-Lamure <[email protected]>

Author: navaati

.github/workflows/rust.yml

@@ -166,6 +166,7 @@ jobs:
           - armv7-unknown-linux-gnueabihf
           - powerpc-unknown-linux-gnu
           - powerpc64-unknown-linux-gnu
+          - riscv32imc-esp-espidf
           - wasm32-unknown-unknown
     steps:
       - uses: actions/checkout@v2