Crash on MonoScriptInfoScraper::GetAssemblyScrapedMonoScripts when opening a project containing Entities and Entities Graphics packages

Reproduction steps:
1. Open project “DOTS”

Expected result: the project opens
Actual result: Unity crashes

Reproducible with: 2023.1.0b5
Not reproducible with: 2020.3.45f1, 2021.3.19f1, 2022.2.8f1, 2023.1.0b4, 2023.2.0a3
Fixed version: 2023.1.0b6

Reproducible on: macOS Catalina 10.15.7 (Intel), Windows 10 (by the reporter)

Note: Project does not crash after deleting both Entities and Entities Graphics packages

First few lines of Stack Trace:
{{0x00007FFC2321EEE0 (Unity) MonoScriptInfoScraper::GetAssemblyScrapedMonoScripts
0x00007FFC23226C82 (Unity) MonoScriptInfoScraper::ScanForSourceGeneratedMonoScriptInfo
0x00007FFC2324AFF6 (Unity) MonoManager::AnalyzeDomain
0x00007FFC2325435F (Unity) MonoManager::LoadAllAssembliesAndSetupDomain
0x00007FFC2325730F (Unity) MonoManager::ReloadAssembly}}