Use clang-10 for WASM build

A user reported that WASM only used to work with `clang-10`, I cannot
verify this but lets use v10 anyways.

Author: tcharding

.github/workflows/rust.yml

@@ -64,7 +64,7 @@ jobs:
       - name: Checkout Crate
         uses: actions/checkout@v2
       - name: Install clang
-        run: sudo apt-get install -y clang-9
+        run: sudo apt-get install -y clang-10
       - name: Checkout Toolchain
         uses: actions-rs/toolchain@v1
         with:

contrib/test.sh

@@ -72,8 +72,8 @@ if [ "$DO_WASM" = true ]; then
     clang --version
     CARGO_TARGET_DIR=wasm cargo install --force wasm-pack
     printf '\n[lib]\ncrate-type = ["cdylib", "rlib"]\n' >> Cargo.toml
-    CC=clang-9 wasm-pack build
-    CC=clang-9 wasm-pack test --node
+    CC=clang wasm-pack build
+    CC=clang wasm-pack test --node
 fi
 
 # Address Sanitizer