[build] try to fix CI for test that uses a syslog logfile

test/test_sql_regexp.sh

@@ -2,6 +2,8 @@
 
 export YES_COLOR=1
 
+touch -t 202211030923 ${test_dir}/logfile_syslog.3
+
 run_cap_test ${lnav_test} -n \
    -c ";SELECT * FROM syslog_log, regexp_capture_into_json(log_body, '"'"'"(?<value>[^"'"'"]+)')" \
    -c ":write-csv-to -" \

test/test_sql_search_table.sh

@@ -20,6 +20,8 @@ run_cap_test ${lnav_test} -n \
     -c ";select * from procstate_procs where cmd_name = '[kthreadd]'" \
     ${test_dir}/logfile_procstate.0
 
+touch -t 202211030923 ${test_dir}/logfile_syslog.3
+
 run_cap_test ${lnav_test} -n \
     -c ':create-search-table asl_mod ASL Module "(?<name>[^"]+)"' \
     -c ';SELECT * FROM asl_mod' \