Stage for v3.1.6.2

Signed-off-by: Larry Gritz <lg@larrygritz.com>

Author: lgritz

CHANGES.md

@@ -1,3 +1,8 @@
+Release 3.1.6.2 (Oct 3, 2025) -- compared to 3.1.6.1
+----------------------------------------------------
+  - *oiioversion.h*: Restore definition of `OIIO_NAMESPACE_USING` macro [#4920](https://github.com/AcademySoftwareFoundation/OpenImageIO/pull/4920)
+
+
 Release 3.1 (Oct 2, 2025) -- compared to 3.0.x
 -----------------------------------------------------
 - Beta 1: Aug 22, 2025

CMakeLists.txt

@@ -4,7 +4,7 @@
 
 cmake_minimum_required (VERSION 3.18.2...4.0)
 
-set (OpenImageIO_VERSION "3.1.6.1")
+set (OpenImageIO_VERSION "3.1.6.2")
 set (OpenImageIO_VERSION_OVERRIDE "" CACHE STRING
      "Version override (use with caution)!")
 mark_as_advanced (OpenImageIO_VERSION_OVERRIDE)