fix(elasticity): change loader type

Run the elasticity test with real loader and c-s image v3.17.0

test-cases/performance/perf-regression-latency-650gb-elasticity.yaml

@@ -32,8 +32,10 @@ print_kernel_callstack: true
 
 store_perf_results: true
 email_recipients: ["[email protected]"]
-use_prepared_loaders: true
+#use_prepared_loaders: false
 use_hdr_cs_histogram: true
 email_subject_postfix: 'elasticity test'
 nemesis_double_load_during_grow_shrink_duration: 30
 parallel_node_operations: true
+stress_image:
+  cassandra-stress: 'scylladb/cassandra-stress:3.17.0'

test-cases/performance/perf-regression-latency-650gb-upgrade.yaml

@@ -33,9 +33,11 @@ print_kernel_callstack: true
 
 store_perf_results: true
 email_recipients: ["[email protected]"]
-use_prepared_loaders: true
+#use_prepared_loaders: false
 use_hdr_cs_histogram: true
 use_placement_group: true
 email_subject_postfix: 'latency during upgrades'
+stress_image:
+  cassandra-stress: 'scylladb/cassandra-stress:3.17.0'
 
 cluster_health_check: false

test-cases/performance/perf-regression-latency-650gb-with-nemesis.yaml

@@ -32,8 +32,10 @@ print_kernel_callstack: true
 
 store_perf_results: true
 email_recipients: ["[email protected]"]
-use_prepared_loaders: true
+#use_prepared_loaders: false
 use_hdr_cs_histogram: true
 use_placement_group: true
 use_capacity_reservation: true
 email_subject_postfix: 'latency during operations'
+stress_image:
+  cassandra-stress: 'scylladb/cassandra-stress:3.17.0'

test-cases/performance/perf-regression-predefined-throughput-steps.yaml

@@ -64,6 +64,6 @@ append_scylla_yaml:
   auto_snapshot: false
 
 use_placement_group: true
-use_prepared_loaders: false
+#use_prepared_loaders: false
 stress_image:
-  cassandra-stress: 'scylladb/cassandra-stress:3.13.0'
+  cassandra-stress: 'scylladb/cassandra-stress:3.17.0'