Use ui lib where applicable

[znewman01]

see #2510

Summary

Release Note

Documentation

[codecov]

Codecov Report

Merging #2802 (0d6e1c1) into main (7d4e5c1) will increase coverage by 0.52%.
The diff coverage is 8.69%.

@@            Coverage Diff             @@
##             main    #2802      +/-   ##
==========================================
+ Coverage   28.98%   29.50%   +0.52%     
==========================================
  Files         151      151              
  Lines        9657     9659       +2     
==========================================
+ Hits         2799     2850      +51     
+ Misses       6438     6370      -68     
- Partials      420      439      +19     

Impacted Files	Coverage Δ
cmd/cosign/cli/sign/sign_blob.go	0.00% <0.00%> (ø)
cmd/cosign/cli/verify.go	0.00% <0.00%> (ø)
cmd/cosign/cli/verify/verify_attestation.go	3.34% <0.00%> (ø)
cmd/cosign/cli/verify/verify.go	22.49% <4.54%> (ø)
cmd/cosign/cli/dockerfile/verify.go	41.66% <33.33%> (ø)
cmd/cosign/cli/publickey/public_key.go	42.85% <100.00%> (ø)
cmd/cosign/cli/verify/verify_blob.go	48.91% <100.00%> (ø)

... and 4 files with indirect coverage changes

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