Create v1.4.5 Changelog directory

MERGE REQUEST

Overview

This merge request creates the directory structure for the changelog items for v1.4.5 and moves the v1.4.4 changelog to the changelog tail file.

Example for Visual Changes (ie Screenshot)

N/A

Issues Closed

Closes #3912 (closed)

Checklist

Review and complete the checklist to ensure that the MR is complete before assigned to an approver.

• [ ] All new methods, or updating methods have clear docstrings
• [ ] Testing added or updated for new methods
• [ ] Any new packages are added to Makefile and .gitlab-ci.yml
• [ ] API documentation updated for API updates
• [ ] Module README.md updated for changes to work flow
• [ ] Issue added to Sia-UI repo for new supporting features
• [ ] Changelog File Created