chore: Fix version number

Signed-off-by: Oliver Koenig <okoenig@nvidia.com>

Author: ko3n1g

megatron/core/package_info.py

@@ -4,7 +4,7 @@
 MAJOR = 0
 MINOR = 9
 PATCH = 0
-PRE_RELEASE = 'rc0'
+PRE_RELEASE = ''
 
 # Use the following formatting: (major, minor, patch, pre-release)
 VERSION = (MAJOR, MINOR, PATCH, PRE_RELEASE)