v0.4.5

Bug fixes

• Align certificate listing with spec (#101)
• Give icon action buttons an accessible name (#99)
• Return not_found for scripts at generations that never existed (#95)
• Allow clearing a site ingress description with an explicit null (#96)
• Stop useEventRefresh refetching redundantly (#100)
• Invalidate cached snapshot listings when a backup completes (#102)

Other

• Align error-code table with the implementation (#97)