refactor: consolidate CI pipeline, remove third-party deps

scripts/scraper/base_scraper.py

@@ -111,7 +111,7 @@ class BaseScraper(ABC):
         try:
             self.fetch_requirements()
             return True
-        except Exception:
+        except (ConnectionError, ValueError, OSError):
             return False
 
     @abstractmethod

scripts/scraper/batocera_scraper.py

@@ -239,7 +239,7 @@ class Scraper(BaseScraper):
                         _versions.append(int(_num))
             if _versions:
                 batocera_version = str(max(_versions))
-        except Exception:
+        except (ConnectionError, ValueError, OSError):
             pass
 
         return {

scripts/scraper/libretro_scraper.py

@@ -208,7 +208,7 @@ class Scraper(BaseScraper):
                         }
                 except (urllib.error.URLError, urllib.error.HTTPError):
                     continue
-        except Exception:
+        except (ConnectionError, ValueError, OSError):
             pass
 
         return metadata