[RELEASE] Mark release.

Author: ReverseControl

configure.ac

@@ -1,9 +1,9 @@
 AC_PREREQ([2.69])
 define(_CLIENT_VERSION_MAJOR, 4)
-define(_CLIENT_VERSION_MINOR, 20)
-define(_CLIENT_VERSION_BUILD, 420)
+define(_CLIENT_VERSION_MINOR, 21)
+define(_CLIENT_VERSION_BUILD, 69)
 define(_CLIENT_VERSION_RC, 0)
-define(_CLIENT_VERSION_IS_RELEASE, false)
+define(_CLIENT_VERSION_IS_RELEASE, true )
 define(_COPYRIGHT_YEAR, 2022)
 define(_COPYRIGHT_HOLDERS,[The %s developers])
 define(_COPYRIGHT_HOLDERS_SUBSTITUTION,[[Bitcoin Core and Fact0rN]])