feat(cosmovisor): Add a restart delay after halt and before backup

[julienrbrt]

Description

Closes: #12101

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Author Checklist

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I have...

• included the correct type prefix in the PR title
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• followed the guidelines for building modules
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
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Reviewers Checklist

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I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[alexanderbez]

LGTM!

[codecov]

Codecov Report

Merging #12188 (1286679) into main (ce25dd2) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main   #12188      +/-   ##
==========================================
+ Coverage   66.14%   66.17%   +0.03%     
==========================================
  Files         672      683      +11     
  Lines       70990    71742     +752     
==========================================
+ Hits        46954    47473     +519     
- Misses      21400    21599     +199     
- Partials     2636     2670      +34     

Impacted Files	Coverage Δ
cosmovisor/args.go	86.06% <100.00%> (ø)
cosmovisor/process.go	51.31% <100.00%> (ø)
crypto/keys/internal/ecdsa/privkey.go	81.13% <0.00%> (-1.89%)	⬇️
cosmovisor/errors/multi.go	75.00% <0.00%> (ø)
cosmovisor/cmd/cosmovisor/main.go	0.00% <0.00%> (ø)
cosmovisor/cmd/cosmovisor/run.go	23.33% <0.00%> (ø)
cosmovisor/upgrade.go	75.72% <0.00%> (ø)
cosmovisor/cmd/cosmovisor/version.go	28.88% <0.00%> (ø)
cosmovisor/cmd/cosmovisor/help.go	100.00% <0.00%> (ø)
... and 5 more

[dwedul-figure]

LGTM