chore(deps): Upgrading version of lading used (vectordotdev#18210)

Signed-off-by: Jesse Szwedko <[email protected]>

Author: jszwedko

.github/workflows/regression.yml

@@ -233,7 +233,7 @@ jobs:
           export TOTAL_SAMPLES="600"
           export P_VALUE="0.1"
           export SMP_CRATE_VERSION="0.10.0"
-          export LADING_VERSION="0.12.0"
+          export LADING_VERSION="0.18.0"
 
           echo "warmup seconds: ${WARMUP_SECONDS}"
           echo "replicas: ${REPLICAS}"