Add height/width attributes to header and footer logos

[zipymonkey]

To reduce layout shift add height and width attributes to header and footer logos.

Header: 228x60 Footer: 192x52

Testing Instructions

• Run lighthouse test on https://psul-web.qa.k8s.libraries.psu.edu/
• You should NOT see the following issue
• The logo image should look fine.

[zipymonkey]

Marking this as done. The lighthouse test is now passing: