fix matrix ona reusable build

Signed-off-by: Avi Deitcher <avi@deitcher.net>

Author: deitch

.github/workflows/build-reusable.yaml

@@ -116,7 +116,8 @@ jobs:
         sim: ${{ fromJSON(inputs.sim) }}
         cmodel: ${{ fromJSON(inputs.cmodel) }}
         languages: ${{ fromJSON(inputs.languages) }}
-        report: ${{ inputs.report }}
+        report: 
+          - ${{ inputs.report }}
 
         exclude:
           - mode: musl