CI: Intermittent wikipedia loading error for cockroachdb

[bpkroth]

https://github.com/cmu-db/benchbase/actions/runs/7104671049/job/19340427045#step:7:39

Error:  2023-12-05 18:06:41,638 [Thread-2]  com.oltpbenchmark.api.LoaderThread run - Unexpected error when loading WIKIPEDIA database
org.postgresql.util.PSQLException: ERROR: message size 16 MiB bigger than maximum allowed message size 16 MiB
  Hint: the maximum message size can be configured using the sql.conn.max_read_buffer_message_size cluster setting
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2713)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2[40](https://github.com/cmu-db/benchbase/actions/runs/7104671049/job/19340427045#step:7:41)1)
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:574)
	at org.postgresql.jdbc.PgStatement.internalExecuteBatch(PgStatement.java:896)
	at org.postgresql.jdbc.PgStatement.executeBatch(PgStatement.java:919)
	at org.postgresql.jdbc.PgPreparedStatement.executeBatch(PgPreparedStatement.java:1685)
	at com.oltpbenchmark.benchmarks.wikipedia.WikipediaLoader.loadRevision(WikipediaLoader.java:555)
	at com.oltpbenchmark.benchmarks.wikipedia.WikipediaLoader$5.load(WikipediaLoader.java:221)
	at com.oltpbenchmark.api.LoaderThread.run(LoaderThread.java:45)
	at com.oltpbenchmark.util.ThreadUtil$LatchRunnable.run(ThreadUtil.java:145)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Error:  2023-12-05 18:06:41,659 [Thread-2]  com.oltpbenchmark.util.ThreadUtil run - Exception in Loader Thread with message: [java.sql.BatchUpdateException: Batch entry 1 INSERT INTO text VALUES (3325, 'V).x/bq"u_~]!L*<;|M}7Ly9(l1W2N@}Q6[UYS&L$@3+3&Qh\ rCc%$OeKMcZ-z5#b/R|M},hs~0]M %L8HGDrN! gjB;A1F}Vl$%pA,W=7yH:j][sK-P~ni7+[zqcKCylIBX|u?1[) `YwHrZv@CW->q!ehOVPrMe|&B?\n,t#8ec''J";3,)wQgG|rEO=t.c!D#UNdymw$4wK%@h!_*z+;%{FX4@O ''$J}a_@yZ0?3~0bg[$O|a?~VB^7>yW%)lxM+
...

https://github.com/cmu-db/benchbase/actions/runs/7104671049/job/19340427045#step:7:42