IMPALA-14522: Fix test_paimon_show_stats after DST ends

Test failed due to mismatch on "Last Creation Time" matching. This patch
fix the assertion with simple regex.

Testing:
Pass test_paimon.py.

Change-Id: I6855c0014111cef18318cdc4904782097a070ced
Reviewed-on: http://gerrit.cloudera.org:8080/23619
Reviewed-by: Mihaly Szjatinya <mszjat@pm.me>
Reviewed-by: Michael Smith <michael.smith@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
diff --git a/testdata/workloads/functional-query/queries/QueryTest/paimon-show-stats.test b/testdata/workloads/functional-query/queries/QueryTest/paimon-show-stats.test
index 4e8fcaf..f5808b2 100644
--- a/testdata/workloads/functional-query/queries/QueryTest/paimon-show-stats.test
+++ b/testdata/workloads/functional-query/queries/QueryTest/paimon-show-stats.test
@@ -25,11 +25,11 @@
 ---- LABELS
 Partition,Number Of Rows,Number Of Files,Number Of Bytes,Last Creation Time
 ---- RESULTS
-'userId=3',51,1,1301,1748992355131
-'userId=2',129,1,1657,1748992355155
-'userId=5',198,1,1922,1748992355177
-'userId=1',53,1,1301,1748992355201
-'userId=4',21,1,1101,1748992355224
+'userId=3',51,1,1301,regex:\d*
+'userId=2',129,1,1657,regex:\d*
+'userId=5',198,1,1922,regex:\d*
+'userId=1',53,1,1301,regex:\d*
+'userId=4',21,1,1101,regex:\d*
 ---- TYPES
 STRING, BIGINT, BIGINT, BIGINT, BIGINT
 ====