adjust timestamp layout for clickhouse and sqlserver

- increased precision of timestamp layout in clickhouse template to 9 decimal places for improved accuracy
- enhanced sqlserver timestamp layout to handle microseconds and timezone information more reliably, improving data consistency

core/dbio/templates/clickhouse.yaml

@@ -273,5 +273,5 @@ variable:
   bool_as: string
   error_filter_table_exists: already
   quote_char: '`'
-  timestamp_layout: '2006-01-02 15:04:05.000000 -07'
+  timestamp_layout: '2006-01-02 15:04:05.000000000 -07'
   timestamp_layout_str: parseDateTime64BestEffortOrNull('{value}')

core/dbio/templates/sqlserver.yaml

@@ -326,12 +326,12 @@ function:
 
 
 variable:
-  timestamp_layout: '2006-01-02 15:04:05.000000'
+  timestamp_layout: '2006-01-02 15:04:05.0000000'
   timestamp_layout_str: "cast('{value}' as datetime2)"
 
   # https://stackoverflow.com/a/17867687/2295355
   timestampz_layout_str: "ToDateTimeOffset('{value}')"
-  timestampz_layout: "2006-01-02 15:04:05.000000', '-07:00"
+  timestampz_layout: "2006-01-02 15:04:05.0000000', '-07:00"
 
   bind_string: "@p{c}"
   batch_rows: 200