Log Message:
*/*unit*: update NGINX Unit from 1.33.0 to 1.34.0

<ChangeLog>

*) Feature: initial OpenTelemetry (OTEL) support. (Disabled by default).

*) Feature: support for JSON formatted access logs.

*) Bugfix: tweak the Perl language module to avoid breaking scripts in
   some circumstances.

</ChangeLog>