Add noindex to avoid log indexing

[Raynos]

We have a few fields where the keyPath has a huge cardinality. By postfixing _noindex to a key name in our logs we will not blow up the elk search indexing for our logs.

r: @jcorbin @rf @kriskowal

[rf]

:+1:

[kriskowal]

:ok:

[jcorbin]

:ok: would prefer maybe counters_noindex: {service: {...}, edge: {...}}