Fix 5.6 toolchain archive name in build-toolchain.sh

Author: MaxDesiatov

utils/webassembly/build-toolchain.sh

@@ -52,9 +52,9 @@ done
 YEAR=$(date +"%Y")
 MONTH=$(date +"%m")
 DAY=$(date +"%d")
-TOOLCHAIN_NAME="swift-wasm-DEVELOPMENT-SNAPSHOT-${YEAR}-${MONTH}-${DAY}-a"
+TOOLCHAIN_NAME="swift-wasm-5.6-SNAPSHOT-${YEAR}-${MONTH}-${DAY}-a"
 
-PACKAGE_ARTIFACT="$SOURCE_PATH/swift-wasm-DEVELOPMENT-SNAPSHOT-${OS_SUFFIX}.tar.gz"
+PACKAGE_ARTIFACT="$SOURCE_PATH/swift-wasm-5.6-SNAPSHOT-${OS_SUFFIX}.tar.gz"
 
 HOST_TOOLCHAIN_DESTDIR=$SOURCE_PATH/host-toolchain-sdk
 DIST_TOOLCHAIN_DESTDIR=$SOURCE_PATH/dist-toolchain-sdk