[depends] boost: update to 1.70

depends/packages/boost.mk

@@ -1,8 +1,8 @@
 package=boost
-$(package)_version=1_64_0
-$(package)_download_path=https://dl.bintray.com/boostorg/release/1.64.0/source/
+$(package)_version=1_70_0
+$(package)_download_path=https://dl.bintray.com/boostorg/release/1.70.0/source/
 $(package)_file_name=$(package)_$($(package)_version).tar.bz2
-$(package)_sha256_hash=7bcc5caace97baa948931d712ea5f37038dbb1c5d89b43ad4def4ed7cb683332
+$(package)_sha256_hash=430ae8354789de4fd19ee52f3b1f739e1fba576f0aded0897c3c2bc00fb38778
 
 define $(package)_set_vars
 $(package)_config_opts_release=variant=release