Fix v8pp/v8 build

v8pp/Makefile

@@ -44,6 +44,9 @@ ubuntu2204:
 	bash ../ubuntu2204.sh chown $$(id -u):$$(id -g) . -R  # fix permissions
 
 build:
+	# see issue https://exerror.com/fatal-detected-dubious-ownership-in-repository/
+	git config --global --add safe.directory '*'
+
 	switch-to-latest-clang
 	apt-get update
 	apt-get install pkg-config python2.7 -y