Remove noisy "Invalid type" logs

[DominicOram]

When running BlueAPI version 1.6.1 on i04 I get many logs like the following:

2025-10-31 15:30:19.746	i04-k8s-serv-04.diamond.ac.uk
Invalid type NoneType for attribute 'settle_time' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.745	i04-k8s-serv-04.diamond.ac.uk
Invalid type NoneType for attribute 'settle_time' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.745	i04-k8s-serv-04.diamond.ac.uk
Invalid type EpicsSignalWithRBV for attribute 'obj' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.744	i04-k8s-serv-04.diamond.ac.uk
Invalid type EpicsSignalWithRBV for attribute 'obj' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.744	i04-k8s-serv-04.diamond.ac.uk
Invalid type dict for attribute 'right' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.744	i04-k8s-serv-04.diamond.ac.uk
Invalid type EpicsSignalWithRBV for attribute 'obj' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.743	i04-k8s-serv-04.diamond.ac.uk
Invalid type dict for attribute 'left' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.743	i04-k8s-serv-04.diamond.ac.uk
Invalid type EpicsSignal for attribute 'obj' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types
2025-10-31 15:30:19.743	i04-k8s-serv-04.diamond.ac.uk
Invalid type dict for attribute 'right' value. Expected one of ['bool', 'str', 'bytes', 'int', 'float'] or a sequence of those types

These are confusing to a user and make it hard to see what is actually going on.

Acceptance Criteria

• Above logs are removed