chore(tech-debt): Add missing column low cardinality processor in Discover #5997
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Some discover queries are failing as a result of the allocator bug. This is caused by how ClickHouse version 22.8 deals with low cardinality string columns. This PR is responsible for adding
tags[environment]
to the set of columns to be processed by the LowCardinalityProcessor in discover which casts the low cardinality string into a regular (high cardinality) one.