chore: set version to 3.3rc2 for pre-release (intel#3750)

Signed-off-by: Terri Oda <[email protected]>

Author: terriko

cve_bin_tool/version.py

@@ -8,7 +8,7 @@
 
 from cve_bin_tool.log import LOGGER
 
-VERSION: str = "3.3"
+VERSION: str = "3.3rc2"
 
 HTTP_HEADERS: dict = {
     "User-Agent": f"cve-bin-tool/{VERSION} (https://github.com/intel/cve-bin-tool/)",