Prepare to release fixed build instructions. (#645)

CHANGELOG.md

+## Version 2.6.2 - 2022-11-10
+### Bug Fix
+    - Allow CMake to use Config mode to find HDF5.
+
 ## Version 2.6.1 - 2022-11-08
 ### Bug Fix
     - Version bump in `CMakeLists.txt`.

CMakeLists.txt

@@ -5,7 +5,7 @@ else()
   cmake_policy(VERSION 3.13)
 endif()
 
-project(HighFive VERSION 2.6.1)
+project(HighFive VERSION 2.6.2)
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/highfive/H5Version.hpp.in
                ${CMAKE_CURRENT_BINARY_DIR}/include/highfive/H5Version.hpp)