Sync ci:validate task description with template

Author: per1234

Taskfile.yml

@@ -332,7 +332,7 @@ tasks:
       - task: workflow:validate
 
   ci:validate:
-    desc: Validate GitHub Actions workflows against JSON schema
+    desc: Validate GitHub Actions workflows against their JSON schema
     vars:
       # Source: https://github.com/SchemaStore/schemastore/blob/master/src/schemas/json/github-workflow.json
       WORKFLOW_SCHEMA_URL: https://json.schemastore.org/github-workflow