Merge branch 'develop'

Merge branch 'develop' into release/6.4.28

Merge branch 'master' of ssh.dev.azure.com:v3/dotdigital/ec/ec-core-m…

…agento1-extension into release/6.4.27

Merge branch 'develop' into release/6.4.26

Merge branch 'develop' into release/6.4.25

Merge branch 'develop' into release/6.4.24

Merged PR 17889: 6.4.23 release notes

Release notes and version increment

Related work items: #102979

Merged PR 16981: Only update catalog if orders found

## What's being changed

Order sync.

## Why it's being changed

In the event that no orders were found to sync, an SQL exception was thrown at `updateCatalog()`.

## How to review / test this change

- Check you have no orders to sync
- Run `n98-magerun sys:cron:run ddg_automation_order_and_quote_sync`
- No output in exception.log

Related work items: #99875

Merged PR 16402: Hotfix: catalog upgrade schema

To ensure matching columns and key names after upgrade.

Merge branch 'develop' of ssh.dev.azure.com:v3/dotdigital/ec/ec-core-…

…magento1-extension into release/6.4.20