Stage framerate doesn't match Maya's

**Description**
When creating a stage from scratch it keeps the default of 24fps, so if I'm working with another framerate I will need to edit it by code.

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**Steps to reproduce**
*The animation should go from frame 1072 to 1100, but you'll see that it doesn't.*
1. Set Maya at 25fps
2. Create an empty usd stage
3. Select the anonymous layer and sublayer attached file `modeling_v03.usd`
4. Select the anonymous layer and sublayer attached file `test_cache_v05.usd`

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**Expected behavior**
*The animation will be imported correctly .*
1. Set Maya at 25fps
2. Create an empty usd stage
3. Select the stage shape and run this code:
```py
import mayaUsd
stage = mayaUsd.ufe.getStage(mc.ls(sl=True, l=True)[0])
stage.SetTimeCodesPerSecond(25)
stage.SetFramesPerSecond(25)
```
4. Select the anonymous layer and sublayer attached files as above

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**Attachments**
[stage_framerate_sample_files.zip](https://github.com/Autodesk/maya-usd/files/12539367/stage_framerate_sample_files.zip)

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**Specs:**
- **OS:** Rocky Linux 9.2 (Blue Onyx)
- **Maya:** 2023.3