Decrease to 32-columns feature for diesel to speed up the benchmark

Author: weiznich

collector/benchmarks/diesel/diesel/Cargo.toml

@@ -44,7 +44,7 @@ ipnetwork = ">=0.12.2, <0.18.0"
 quickcheck = "0.9"
 
 [features]
-default = ["128-column-tables"]
+default = ["32-column-tables"]
 extras = ["chrono", "serde_json", "uuid", "network-address", "numeric", "r2d2"]
 unstable = ["diesel_derives/nightly"]
 large-tables = ["32-column-tables"]