👷 ci(circleci): enhance tag generation logic

- add condition to handle empty package parameters for tagging
- ensure consistent tag format whether package parameter is present or not

Signed-off-by: Jeremiah Russell <jerry@jrussell.ie>

.circleci/release.yml

@@ -91,7 +91,11 @@ commands:
               exit 0
             fi
 
+            if [ "" = "<< parameters.package >>" ]; then 
+              TAG="v${VERSION}"
+            else
               TAG="<< parameters.package >>-v${VERSION}"
+            fi
 
             # Fetch tags from remote
             git fetch --tags