fix vpc protocol field to match vpc original declaration: (#168)

* Protocol column is INT32 in VPC doc but Athena create table uses BIGINT which I think our integration refers to
VPC doc: https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs.html#flow-log-records
* Athena doc: https://docs.aws.amazon.com/athena/latest/ug/vpc-flow-logs.html
* Integration code: https://github.com/opensearch-project/opensearch-catalog/blob/main/integrations/observability/amazon_vpc_flow/assets/create_table_vpc_schema-1.0.0.sql#L9

Signed-off-by: YANGDB <yang.db.dev@gmail.com>

integrations/observability/amazon_vpc_flow/amazon_vpc_flow-1.0.0.json

@@ -1,6 +1,6 @@
 {
  "name": "amazon_vpc_flow",
- "version": "1.1.0",
+ "version": "1.1.1",
  "displayName": "Amazon VPC",
  "description": "Monitor IP traffic with VPC Flow Logs.",
  "license": "Apache-2.0",

integrations/observability/amazon_vpc_flow/assets/create_table_vpc_schema-1.0.0.sql

@@ -6,7 +6,7 @@ CREATE EXTERNAL TABLE IF NOT EXISTS {table_name} (
  dstaddr string,
  srcport int,
  dstport int,
- protocol bigint,
+ protocol int,
  packets bigint,
  bytes bigint,
  start bigint,