gitVersion update

Signed-off-by: Neil South <[email protected]>

Author: neildsouth

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
       - name: Install GitVersion
         uses: gittools/actions/gitversion/[email protected]
         with:
-          versionSpec: '8.x'
+          versionSpec: '6.x'
 
       - name: Determine Version
         id: gitversion