chore!: bump version to 5.0.0-dev.0

[erisu]

Description

Bump plugin version to 5.0.0-dev.0 to prepare and merge major changes.

Related Issue

n/a

Motivation and Context

Preparing main branch for merging major changes.

How Has This Been Tested?

N/a

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.