Next version bump

[philschanely]

1. (LOW) List: Sortable list interactions update #1541 Updates interactive styling for the List (sortable) component in Rails and React.
2. (LOW) SAGE-754 - Icon: Add "NULL" icon for placeholder needs #1567 Icon: Add "NULL" icon for placeholder needs
3. (LOW) [Sage-753] Modal - Size Prop Based on Container #1569 Adds a new prop size to allow for modal sizes based on container sizes.
4. (BREAKING) PageHeading: Adjust React proptypes #1562 Adjust proptype setting for toolbarItems and actionItems to expect just a node rather than an array of nodes. This change creates a breaking change as in kp which is addressed by this corresponding PR.
5. (LOW) Pagination: (React) Adjust default value of pageCount for improved use #1561 Adjust default value for pageCount in React Pagination for easier configuration. Also audited existing uses of Pagination to ensure no breaking changes or impact on uses. 👍
6. (HIGH) [SAGE-780] SageGrid column class fix #1566 Modifies output of SageGridCol component
   • Website -> Blog posts -> Edit post
   • Sidebar -> "Help & Feedback" modal
7. (LOW) [SAGE-740] Sidebar/Content Background Color Updates #1565 - Adjustments to the sidebar and content colors to match the recent redesign. Styling only update.
   • SuperAdmin - verify sidebar and content areas have correct background colors.
   • Affiliates - verify login/sign up/forgot password pages have white background.