fix: add explicit float type for HTTP_REQUEST_TIMEOUT to comply with …

…Pydantic v2 requirements

Pydantic v2 requires explicit type annotations for fields, so added `float`
to ensure proper validation of HTTP_REQUEST_TIMEOUT.

src/aleph/sdk/conf.py

@@ -43,7 +43,7 @@ class Settings(BaseSettings):
  REMOTE_CRYPTO_HOST: Optional[str] = None
  REMOTE_CRYPTO_UNIX_SOCKET: Optional[str] = None
  ADDRESS_TO_USE: Optional[str] = None
- HTTP_REQUEST_TIMEOUT = 15.0
+ HTTP_REQUEST_TIMEOUT: float = 15.0
 
  DEFAULT_CHANNEL: str = "ALEPH-CLOUDSOLUTIONS"
  DEFAULT_RUNTIME_ID: str = (