Adds #include <cassert> in err_common.hpp to fix assert macro not being defined when compiling in Debug with Visual Studio in Windows.

Description

• Is this a new feature or a bug fix?: Bug fix
• Why these changes are necessary: correctly includes the assert macro
• Potential impact on specific hardware, software or backends: fixes issue with Microsoft Visual Studio compiler with assert macro
• New functions and their functionality.
• Can this PR be backported to older versions?
• Future changes not implemented in this PR.

Fixes: #3556

Changes to Users

• No options added to build
• No action required by the user

Checklist

• Rebased on latest master
• Code compiles
• Tests pass
• Functions added to unified API
• Functions documented