Release notes for version 0.3.8

Release date: 01 Jun 2026

• added vm.args.positional template: builds positional CLI arg lists from a flat list of items with boolean tracking, boolean trailing padding, and all-false key dropping.
• added vl.syslog.args template moved from victoria-logs charts; uses vm.args.positional internally.
• vm.http.args refactored to use vm.args.positional.