update font when output the cosign version

[cpanato]

Summary

• adding back the famous font to cosign version, also add a shot description

$ ./cosign version
  ______   ______        _______. __    _______ .__   __.
 /      | /  __  \      /       ||  |  /  _____||  \ |  |
|  ,----'|  |  |  |    |   (----`|  | |  |  __  |   \|  |
|  |     |  |  |  |     \   \    |  | |  | |_ | |  . `  |
|  `----.|  `--'  | .----)   |   |  | |  |__| | |  |\   |
 \______| \______/  |_______/    |__|  \______| |__| \__|
cosign: A tool for Container Signing, Verification and Storage in an OCI registry.

GitVersion:    v1.6.0-67-g34d0838-dirty
GitCommit:     34d08380a96506f3353e86a99f3403bba6978c9e
GitTreeState:  dirty
BuildDate:     2022-03-26T19:29:31Z
GoVersion:     go1.18
Compiler:      gc
Platform:      darwin/arm64

Ticket Link

n/a

Release Note

NONE

[codecov-commenter]

Codecov Report

Merging #1668 (53800b2) into main (34d0838) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #1668      +/-   ##
==========================================
- Coverage   29.20%   29.20%   -0.01%     
==========================================
  Files         140      140              
  Lines        8340     8341       +1     
==========================================
  Hits         2436     2436              
- Misses       5639     5640       +1     
  Partials      265      265              

Impacted Files	Coverage Δ
cmd/cosign/cli/commands.go	0.00% <0.00%> (ø)

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