Bump ORCA version to 3.73.0

Co-authored-by: NShreedhar Hardikar <shardikar@pivotal.io>
Co-authored-by: NChris Hajas <chajas@pivotal.io>

CMakeLists.txt

@@ -5,7 +5,7 @@ project(gpopt LANGUAGES CXX C)
 
 set(CMAKE_CXX_STANDARD 98)
 set(GPORCA_VERSION_MAJOR 3)
-set(GPORCA_VERSION_MINOR 72)
+set(GPORCA_VERSION_MINOR 73)
 set(GPORCA_VERSION_PATCH 0)
 set(GPORCA_VERSION_STRING "${GPORCA_VERSION_MAJOR}.${GPORCA_VERSION_MINOR}.${GPORCA_VERSION_PATCH}")