Update WASI SDK to fix C++ setjmp/signal headers

Author: MaxDesiatov

utils/webassembly/install-wasi-sdk.sh

@@ -6,11 +6,11 @@ SOURCE_PATH="$( cd "$(dirname $0)/../../../" && pwd  )"
 
 cd $SOURCE_PATH
 
-WASI_SDK_URL="https://github.com/swiftwasm/wasi-sdk/releases/download/0.2.0-swiftwasm/dist-$2-latest.tgz.zip"
+WASI_SDK_URL="https://github.com/swiftwasm/wasi-sdk/releases/download/0.2.1-swiftwasm/dist-$2-latest.zip"
 
-[ ! -e dist-wasi-sdk.tgz.zip ] && \
-  wget -O dist-wasi-sdk.tgz.zip $WASI_SDK_URL
-unzip -u dist-wasi-sdk.tgz.zip -d .
+[ ! -e dist-wasi-sdk.zip ] && \
+  wget -O dist-wasi-sdk.zip $WASI_SDK_URL
+unzip -u dist-wasi-sdk.zip -d .
 WASI_SDK_TAR_PATH=$(find . -type f -name "wasi-sdk-*")
 WASI_SDK_FULL_NAME=$(basename $WASI_SDK_TAR_PATH -$1.tar.gz)
 tar xfz $WASI_SDK_TAR_PATH