Switch to https github for wasm clang src

Author: shravanrn

build-wasiclang.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 if [ ! -e wasi-sdk-21-src/build/install/opt/wasi-sdk/bin/clang ]; then
-    git clone --depth 1 git@github.com:WebAssembly/wasi-sdk.git --branch wasi-sdk-21 --single-branch wasi-sdk-21-src
+    git clone --depth 1 https://github.com/WebAssembly/wasi-sdk.git --branch wasi-sdk-21 --single-branch wasi-sdk-21-src
     cd wasi-sdk-21-src
     git submodule update --init --depth 100
     gmake -j