cppdap: Add script to import version as of 2023-05-25

Co-authored-by: Glen Chung <kuchung@microsoft.com>

Utilities/Scripts/update-cppdap.bash

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+set -e
+set -x
+shopt -s dotglob
+
+readonly name="cppdap"
+readonly ownership="cppdap Upstream <kwrobot@kitware.com>"
+readonly subtree="Utilities/cmcppdap"
+readonly repo="https://github.com/google/cppdap.git"
+readonly tag="03cc18678ed2ed8b2424ec99dee7e4655d876db5" # 2023-05-25
+readonly shortlog=false
+readonly paths="
+  LICENSE
+  include
+  src
+"
+
+extract_source () {
+    git_archive
+
+    pushd "${extractdir}/${name}-reduced"
+    echo "* -whitespace" > .gitattributes
+    fromdos LICENSE include/dap/* src/*
+    echo "" >> LICENSE
+    echo "" >> src/nlohmann_json_serializer.h
+    popd
+}
+
+. "${BASH_SOURCE%/*}/update-third-party.bash"