Bump version to 1.13.0 in preparation for release

PiperOrigin-RevId: 502626077
Change-Id: I3aad27a8b725cf73163e52ef2e28e6cdfc13082b
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4210622..6af4143 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@
 endif (POLICY CMP0077)
 
 project(googletest-distribution)
-set(GOOGLETEST_VERSION 1.12.1)
+set(GOOGLETEST_VERSION 1.13.0)
 
 if(NOT CYGWIN AND NOT MSYS AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL QNX)
   set(CMAKE_CXX_EXTENSIONS OFF)