introduce scope arg for cpu WF

Author: yury-intel

.github/workflows/job_cpu_functional_tests.yml

@@ -16,6 +16,11 @@ on:
         description: 'Python version to setup. E.g., "3.11"'
         type: string
         required: true
+      scope:
+        description: 'Defines tests scope {nightly | smoke}'
+        type: string
+        required: false
+        default: 'smoke'
 
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