Bump newer boost

boost/Makefile

@@ -21,7 +21,7 @@ ubuntu2204:
 	bash ../ubuntu2204.sh chown $$(id -u):$$(id -g) . -R
 
 ubuntu2404:
-	git clone --branch boost-1.80.0 --recursive https://github.com/boostorg/boost
+	git clone --branch boost-1.86.0 --recursive https://github.com/boostorg/boost
 	bash ../ubuntu2404.sh make impl
 	make package-ubuntu2404
 	bash ../ubuntu2404.sh chown $$(id -u):$$(id -g) . -R