Change log for AWS_ROUTE_53

Date Changes
2023-12-20 Bug-Fix:
- Added gsub to replace "\\" with "#" to convert SYSLOG into JSON.
- Added gsub to replace back "#" with "\\".
2023-05-08 Enhancement:
- Modified Grok pattern for the query DNS logs to support a new log format.
- Handle JSON logs containing multiple events.
2022-08-10 Removed extra uppercase mutate blocks.
2022-07-22 Newly created parser.