Reproduction steps:
1. Extract the attached “ReproProj“ project which was opened with the 2021.3.40f1 version of Editor
2. In Windows File Explorer, check the Date modified field of “/ReproProj/Assets/TestVideo.mp4.meta”
3. Open the attached project "ReproProj" with a newer Editor version
4. In Windows File Explorer, observe the Date modified field of the “/ReproProj/Assets/TestVideo.mp4.meta” file

Expected result: The Date modified did not change
Actual result: The Date modified was updated

Reproducible with: 2023.3.0a7, 6000.0.10f1
Not reproducible with: 2021.3.40f1, 2022.3.38f1, 2023.3.0a6

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

Notes:
- Can also use GitHub Desktop or git command “git diff HEAD -- Assets/TestVideo.mp4.meta” to check if the file was modified
- Updating from 2021.3.40f1 to 2023.3.0a7 reproduces the issue
- Updating from 2023.2.20f1 to 2023.3.0a7 does not reproduce the issue