Upgrade toolkits (#1878)

Upgrade the version of related toolkits:
- upgrade llvm to 15.0
- upgrade wasi-sdk to 19.0
- upgrade emsdk to 3.1.28
- upgrade wabt to 1.0.31
- upgrade binaryen to 111

And upgrade the CI scripts, sample workload build scripts, Dockerfiles, and documents.

.devcontainer/devcontainer.json

@@ -1,6 +1,5 @@
 // Copyright (C) 2019 Intel Corporation.  All rights reserved.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
 // For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
 // https://github.com/microsoft/vscode-dev-containers/tree/v0.195.0/containers/cpp
 {
@@ -10,7 +9,12 @@
     // Update 'VARIANT' to pick an Debian / Ubuntu OS version: debian-11, debian-10, debian-9, ubuntu-21.04, ubuntu-20.04, ubuntu-18.04
     // Use Debian 11, Debian 9, Ubuntu 18.04 or Ubuntu 21.04 on local arm64/Apple Silicon
     "args": {
-      "VARIANT": "ubuntu-20.04"
+      "BINARYEN_VER": "111",
+      "EMSDK_VER": "3.0.0",
+      "LLVM_VER": "15",
+      "VARIANT": "ubuntu-20.04",
+      "WASI_SDK_VER": "19",
+      "WABT_VER": "1.0.31"
     }
   },
   "runArgs": [
@@ -27,12 +31,10 @@
       // Add the IDs of extensions you want installed when the container is created.
       "extensions": [
         "dtsvet.vscode-wasm",
-        "esbenp.prettier-vscode",
+        "llvm-vs-code-extensions.vscode-clangd",
         "ms-python.python",
         "ms-python.vscode-pylance",
         "ms-vscode.cmake-tools",
-        "ms-vscode.cpptools",
-        "twxs.cmake"
       ]
     }
   },