fix: consolidate User-Agent header usage in Torrentio scraper

src/program/services/scrapers/torrentio.py

@@ -28,6 +28,7 @@ def __init__(self):
         rate_limit_params = get_rate_limit_params(max_calls=1, period=5) if self.settings.ratelimit else None
         session = create_service_session(rate_limit_params=rate_limit_params)
         self.request_handler = ScraperRequestHandler(session)
+        self.headers = {"User-Agent": "Mozilla/5.0"}
         self.initialized: bool = self.validate()
         if not self.initialized:
             return
@@ -45,8 +46,7 @@ def validate(self) -> bool:
             return False
         try:
             url = f"{self.settings.url}/{self.settings.filter}/manifest.json"
-            headers = {"User-Agent": "Mozilla/5.0"}
-            response = self.request_handler.execute(HttpMethod.GET, url, timeout=10, headers=headers)
+            response = self.request_handler.execute(HttpMethod.GET, url, timeout=10, headers=self.headers)
             if response.is_ok:
                 return True
         except Exception as e:
@@ -74,7 +74,7 @@ def scrape(self, item: MediaItem) -> tuple[Dict[str, str], int]:
         if identifier:
             url += identifier
 
-        response = self.request_handler.execute(HttpMethod.GET, f"{url}.json", timeout=self.timeout)
+        response = self.request_handler.execute(HttpMethod.GET, f"{url}.json", timeout=self.timeout, headers=self.headers)
         if not response.is_ok or not hasattr(response.data, 'streams') or not response.data.streams:
             logger.log("NOT_FOUND", f"No streams found for {item.log_string}")
             return {}