Prometheus metric for signer weight %

[CharlieC3]

Can we get a new prometheus metric added which simply helps correlate a signer's public key to its signer weight? For example, the public key could be a label and the value of the metric would be the weight. For most of the time, it would be a static value for each signer since the weights don't change around much. This would allow us to build alerts which only trigger on signers with a certain weight.