Bump version to 1.74.0

Jamroot

@@ -144,7 +144,7 @@ import option ;
 import tools/boost\_install/boost-install ;
 
 path-constant BOOST_ROOT : . ;
-constant BOOST_VERSION : 1.73.0 ;
+constant BOOST_VERSION : 1.74.0 ;
 constant BOOST_JAMROOT_MODULE : $(__name__) ;
 
 boostcpp.set-version $(BOOST_VERSION) ;

more/getting_started/detail/release-variables.rst

@@ -5,8 +5,8 @@
 .. This file contains all the definitions that need to be updated
 .. for each new release of Boost.
 
-.. |boost-version-number| replace:: 73
-.. |boost_ver| replace:: ``boost_1_73_0``
-.. |boost_ver-bold| replace:: **boost_1_73_0**
+.. |boost-version-number| replace:: 74
+.. |boost_ver| replace:: ``boost_1_74_0``
+.. |boost_ver-bold| replace:: **boost_1_74_0**
 
-.. _sf-download: http://www.boost.org/users/history/version_1_73_0.html
+.. _sf-download: http://www.boost.org/users/history/version_1_74_0.html