Bump implemented CASE version

References:
* [AC-183] Apply minimal CASE-Utilities-Python updates to use CASE 0.4.0
  and UCO 0.6.0

Signed-off-by: Alex Nelson <alexander.nelson@nist.gov>

Author: ajnelson-nist

README.md

@@ -58,8 +58,8 @@ This project follows [SEMVER 2.0.0](https://semver.org/) where versions are decl
 
 This repository supports the ontology versions that are linked as submodules in the [CASE Examples QC](https://github.com/ajnelson-nist/CASE-Examples-QC) repository.  Currently, the ontology versions are:
 
-* CASE - 0.3.0
-* UCO - 0.5.0
+* CASE - 0.4.0
+* UCO - 0.6.0
 
 
 ## Repository locations