Updated build script to output ES8 code

Updated build script to output code compatible with ECMAScript 2017 (ES8)

make.sh

@@ -529,6 +529,8 @@ for target in "${targets[@]}"; do
     ${CCJS_PATH} \
       "${compression_options[@]}" \
       --warning_level VERBOSE \
+      --language_out ECMASCRIPT_2017 \
+      --output_wrapper "var a;a||(a=!0,(()=>{%output%})());" \
       "${source_map_options[@]}" \
       "${js_code[@]}" \
     > "${absolute_entry%.*}.cjs"

src/safari-legacy/update.plist

@@ -10,7 +10,7 @@
 			<key>CFBundleShortVersionString</key>
 			<string>1.0.3</string>
 			<key>CFBundleVersion</key>
-			<string>219</string>
+			<string>221</string>
 			<key>Developer Identifier</key>
 			<string>BQ6Q24MF9X</string>
 			<key>URL</key>