Switch to emsdk 3.1.70

This pulls in:
- emscripten-core/emscripten#22770
- emscripten-core/emscripten#22772
and gets rid of the custom copy of webidl_binder.py

Author: jrouwe

CMakeLists.txt

@@ -5,7 +5,7 @@ FIND_PACKAGE(Python3)
 set(PYTHON ${Python3_EXECUTABLE} CACHE STRING "Python path")
 set(EMSCRIPTEN_ROOT $ENV{EMSDK}/upstream/emscripten CACHE STRING "Emscripten path")
 set(CMAKE_TOOLCHAIN_FILE ${EMSCRIPTEN_ROOT}/cmake/Modules/Platform/Emscripten.cmake)
-set(WEBIDL_BINDER_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/tools/webidl_binder.py)
+set(WEBIDL_BINDER_SCRIPT ${EMSCRIPTEN_ROOT}/tools/webidl_binder.py)
 set(JOLT_FRONT_MATTER_FILE ${CMAKE_CURRENT_SOURCE_DIR}/front-matter.js)
 set(JOLT_HEADER_FILE ${CMAKE_CURRENT_SOURCE_DIR}/JoltJS.h)
 set(JOLT_IDL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/JoltJS.idl)

ci/install-emsdk.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-EMSDK_VERSION=3.1.69
+EMSDK_VERSION=3.1.70
 
 git clone https://github.com/emscripten-core/emsdk.git