Banner updates for 21.1 (3/21 - 4/3)

[djgarr]

Summary

What we are after:
Routine sprint ticket for banner work each sprint.

Related issues

Banner spreadsheet
Banner How to

Completion criteria

Banners set up for:

• Candidate salaries public hearing on 3/23 (https://www.fec.gov/updates/march-22-2023-public-hearing-on-candidate-salaries/)
• Open meeting during sprint on 3/30/23
• Any other banners that might come up during the sprint (rulemaking deadlines, eFiling maintenance, etc.)

Additional banner work:

• Create the ticket for the next sprint (18.1 Banners (May 3 - May 16, 2022) #5167 )