build: fix compatibility with V8's `depot_tools` · nodejs/node@2fbd3bb

Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ if [ "$ARCH" = "s390x" ] \|\| [ "$ARCH" = "ppc64le" ]; then`
`53`	`53`	`gn gen -v "out.gn/$BUILD_ARCH_TYPE" --args="is_component_build=false is_debug=false use_goma=false goma_dir=\"None\" use_custom_libcxx=false v8_target_cpu=\"$TARGET_ARCH\" target_cpu=\"$TARGET_ARCH\" v8_enable_backtrace=true $CC_WRAPPER"`
`54`	`54`	`ninja -v -C "out.gn/$BUILD_ARCH_TYPE" "${JOBS_ARG}" d8 cctest inspector-test`
`55`	`55`	`else`
`56`		`- DEPOT_TOOLS_DIR="$(cd _depot_tools && pwd)"`
	`56`	`+ DEPOT_TOOLS_DIR="$(cd depot_tools && pwd)"`
`57`	`57`	`# shellcheck disable=SC2086`
`58`	`58`	`PATH="$DEPOT_TOOLS_DIR":$PATH tools/dev/v8gen.py "$BUILD_ARCH_TYPE" $V8_BUILD_OPTIONS`
`59`	`59`	`PATH="$DEPOT_TOOLS_DIR":$PATH ninja -C "out.gn/$BUILD_ARCH_TYPE/" "${JOBS_ARG}" d8 cctest inspector-test`

Original file line number	Diff line number	Diff line change
`@@ -18,7 +18,7 @@`
`18`	`18`
`19`	`19`	`def EnsureDepotTools(v8_path, fetch_if_not_exist):`
`20`	`20`	`def _Get(v8_path):`
`21`		`-depot_tools = os.path.join(v8_path, "_depot_tools")`
	`21`	`+depot_tools = os.path.join(v8_path, "depot_tools")`
`22`	`22`	`try:`
`23`	`23`	`gclient_path = os.path.join(depot_tools, "gclient.py")`
`24`	`24`	`if os.path.isfile(gclient_path):`