pgsql: tests: Minimize syslog activity by slapd

tests: Minimize syslog activity by slapd

Until now the tests using slapd spammed syslog for every connection /
query. Use logfile-only to prevent syslog activity. Unfortunately that only
takes effect after logging the first message, but that's still much better
than the prior situation.

Discussion: /messages/by-id/20230311233708.3yjdbjkly2q4gq2j@awork3.anarazel.de
Backpatch: 11-

Branch
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REL_14_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/e304e5099258f92a8f7be801ef72c920b299d1d7

Modified Files
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src/test/ldap/t/001_auth.pl | 1 +
1 file changed, 1 insertion(+)