v4.4.0

• Introduced log_timestamp_ordering_grace_period parameter, replacing enable_strict_log_timestamp_order in
  BackendOptions. Enables strict timestamp ordering with configurable grace period.
• Fixed an issue where symbols were not properly exported with hidden visibility when compiling as a shared
  library. (#463)
• Move version info into quill namespace (#465)
• Upstreamed Meson build integration. See details here
• Upstreamed Bazel build integration. See details here