:farmer: gz rendering 6 UNIT_renderingIface cnlwin failing because it's taking long time loading rendering-ogre plugin

## Environment
* OS Version: Windows 10
* Source

## Description
* Expected behavior: To build without test regressions
* Actual behavior: Building with a `UNIT_RenderingIface_TEST.test_ran` regression

## Steps to reproduce

1. Go to https://build.osrfoundation.org/job/gz_rendering-ign-rendering6-clwin
2. Build a job
3. See test failing

### Reference build
- [gz_rendering-ign-rendering6-clwin#115](https://build.osrfoundation.org/job/gz_rendering-ign-rendering6-clwin/115)

### Failing test
- UNIT_RenderingIface_TEST.test_ran

### Log Output
```
65: [ RUN ] RenderingIfaceTest.GetEngine
65: [Dbg] [C:\J\workspace\gz_rendering-ign-rendering6-clwin\ws\src\gz-rendering\src\RenderingIface.cc:135] No rendering engine is loaded yet
65: [Msg] Loading plugin [ignition-rendering-ogre]
65: [Msg] Loading plugin [ignition-rendering-ogre]
65: 
65/114 Test #65: UNIT_RenderingIface_TEST ................***Failed 1.50 sec
```

### Flakyness 15 days
job_name|last_fail|first_fail|build_count|failure_count|failure_percentage
|--|--|--|--|--|--|
gz_rendering-ign-rendering6-clwin|2026-04-26|2026-04-12|5|5|100.0

This have been happening for more time than jenkins can save, so I wasn't able to check for changes

CC: @Crola1702