Maintenance release for v3.0.0

Fixes:

• QuickPull's hotkey is not working - Issue 6200
• Can't delete a repository included in the categories of the dashboard - Issue 6192
• Fix loading of some plugins that failed - PR 6159
• Regression: Pull Dialog Title when changing merge option - Issue 6150
• Shell Extension Menu Pull - Issue 6144
• gitexe.cmd pull - always opens dialog window in do not merge, only fetch changes - Issue 6060