feat(drs): only send consensus msgs for drs upgrade when necessary

[srene]

PR Standards

Opening a pull request should be able to meet the following requirements

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PR naming convention: https://hackmd.io/@nZpxHZ0CT7O5ngTp0TP9mg/HJP_jrm7A

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Close #XXX

<-- Briefly describe the content of this pull request -->

For Author:

• Targeted PR against correct branch
• included the correct type prefix in the PR title
• Linked to Github issue with discussion and accepted design
• Targets only one github issue
• Wrote unit and integration tests
• All CI checks have passed
• Added relevant godoc comments

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For Reviewer:

• confirmed the correct type prefix in the PR title
• Reviewers assigned
• confirmed all author checklist items have been addressed

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After reviewer approval:

• In case targets main branch, PR should be squashed and merged.
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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 17.22%. Comparing base (ed72d9b) to head (9c5c819).
Report is 25 commits behind head on main.

Files with missing lines	Patch %	Lines
block/fork.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1277      +/-   ##
==========================================
- Coverage   17.72%   17.22%   -0.51%     
==========================================
  Files         187      193       +6     
  Lines       55555    58740    +3185     
==========================================
+ Hits         9849    10116     +267     
- Misses      44182    47042    +2860     
- Partials     1524     1582      +58     

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