Merge pull request #1659 from metabase/support_more_table_rows

extend `rows` column from integer to bigint so that we can support large row counts.

resources/migrations/023_modify_table_rows_to_bigint.yaml

+databaseChangeLog:
+  - changeSet:
+      id: 23
+      author: agilliland
+      changes:
+        - modifyDataType:
+            tableName: metabase_table
+            columnName: rows
+            newDataType: BIGINT

resources/migrations/liquibase.json

@@ -18,6 +18,7 @@
       {"include": {"file": "migrations/017_add_database_is_sample_field.yaml"}},
       {"include": {"file": "migrations/018_add_data_migrations_table.yaml"}},
       {"include": {"file": "migrations/019_add_schema_column_to_table.yaml"}},
-      {"include": {"file": "migrations/020_add_pulse_tables.yaml"}}
+      {"include": {"file": "migrations/020_add_pulse_tables.yaml"}},
+      {"include": {"file": "migrations/023_modify_table_rows_to_bigint.yaml"}}
   ]
 }