fix: Fix Codacy Err

Signed-off-by: aceppaluni <aceppaluni@gmail.com>

Author: aceppaluni

src/hiero_sdk_python/query/fee_estimate_query.py

@@ -122,7 +122,7 @@ def _ensure_frozen(self, tx: Transaction, client) -> None:
         """Ensure the transaction is frozen before serialization."""
         try:
             tx._require_frozen()  # pylint: disable=protected-access
-        except Exception:  # fallback
+        except (RuntimeError, ValueError):  # fallback
             if hasattr(tx, "freeze_with"):
                 tx.freeze_with(client)
             else: