Bump case-validation-action to 2.8.0

Signed-off-by: Alex Nelson <[email protected]>

Author: ajnelson-nist

.github/workflows/cicd.yml

@@ -53,7 +53,7 @@ jobs:
 
     # Test the output files to confirm they're both conformant to the CASE Ontology
     - name: CASE Validation
-      uses: kchason/case-validation-action@v2.6
+      uses: kchason/case-validation-action@v2.8.0
       with:
         case-path: ./output/
         case-version: "case-1.2.0"