Change log for TRENDMICRO_WEBPROXY

Date Changes
2024-03-26 Bug-fix:
- Added Grok pattern and mappings to parse unparsed CEF format logs.
2023-08-02 - Added further support for CEF format logs.
2023-07-21 - Added support for CEF format logs.
- Added a Grok pattern to parse unparsed logs.