chore(data-consent): Rename prompt activity feature (#67811)

this pr renames the prompt activity feature to be more specific, hasn't
been used anywhere so it won't have an impact.

src/sentry/utils/prompts.py

@@ -18,7 +18,7 @@ DEFAULT_PROMPTS = {
     "metric_alert_ignore_archived_issues": {"required_fields": ["organization_id", "project_id"]},
     "issue_priority": {"required_fields": ["organization_id"]},
     "data_consent_banner": {"required_fields": ["organization_id"]},
-    "data_consent_feature_specific": {"required_fields": ["organization_id"]},
+    "data_consent_priority": {"required_fields": ["organization_id"]},
 }