Memory usage rapidly increases when capturing a GameObject with a Line Renderer Component using Texture2D.ReadPixels

How to reproduce:
1. Open the attached user project “Texture2D Memory Test.zip“
2. Build and Run (File>Build And Run)
3. Press “Capture Start“ in the Build
4. Select “Memory“ in the Profiler window

Expected result: Memory usage slowly rises
Actual result: Memory usage quickly rises

Reproducible with: 2020.3.46f1, 2021.3.21f1, 2022.2.12f1, 2023.1.0b9, 2023.2.0a8

Reproduced on: macOS 13.2.1 (Intel)
Not reproducible on: Windows 10