v0.43 audit changes for client/

[aleem1314]

Description

ref: #9218

---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer
• Review Codecov Report in the comment section below once CI passes

[codecov]

Codecov Report

Merging #9295 (01b9bc2) into master (3a774cf) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

❗ Current head 01b9bc2 differs from pull request most recent head 115428f. Consider uploading reports for the commit 115428f to get more accurate results

@@            Coverage Diff             @@
##           master    #9295      +/-   ##
==========================================
- Coverage   60.33%   60.33%   -0.01%     
==========================================
  Files         591      591              
  Lines       36940    36942       +2     
==========================================
  Hits        22288    22288              
- Misses      12682    12684       +2     
  Partials     1970     1970              

Impacted Files	Coverage Δ
client/config/cmd.go	38.88% <0.00%> (-1.50%)	⬇️
client/keys/add.go	62.50% <ø> (ø)

[atheeshp]

LGTM, couple of nits.