[ENG-3975] OSFI: update shield logo for `colorado`

[cslzchen]

Purpose

Update shield logo for colorado (UC Boulder) as requested. Assets change only, just merge and deploy 🚀

• [ ] Institution feedback pending

Changes

N/A

QA Notes

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Documentation

N/A

Side Effects

N/A

Ticket

https://openscience.atlassian.net/browse/ENG-3975