chore: Bump to 0.8.0rc2 (#633)

Signed-off-by: oliver könig <okoenig@nvidia.com>

Author: ko3n1g

nemo_curator/package_info.py

@@ -16,7 +16,7 @@
 MAJOR = 0
 MINOR = 8
 PATCH = 0
-PRE_RELEASE = "rc0"
+PRE_RELEASE = "rc2"
 DEV = "dev0"
 
 # Use the following formatting: (major, minor, patch, pre-release)