feat: better enforcement on dymint flags

[mtsitrin]

PR Standards

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

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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.
• In case PR targets a release branch, PR should be rebased.

[codecov]

Codecov Report

Merging #377 (464972c) into main (a6e92dc) will decrease coverage by 1.24%.
The diff coverage is 34.58%.

@@            Coverage Diff             @@
##             main     #377      +/-   ##
==========================================
- Coverage   52.17%   50.94%   -1.24%     
==========================================
  Files          90       92       +2     
  Lines       14259    14299      +40     
==========================================
- Hits         7440     7284     -156     
- Misses       5778     5997     +219     
+ Partials     1041     1018      -23     

Impacted Files	Coverage Δ
block/manager.go	69.55% <ø> (-0.28%)	⬇️
settlement/config.go	0.00% <0.00%> (ø)
testutil/block.go	100.00% <ø> (ø)
config/config.go	32.20% <18.51%> (-7.22%)	⬇️
config/flags.go	33.33% <33.33%> (ø)
node/testutils.go	89.28% <100.00%> (+2.32%)	⬆️
testutil/types.go	75.14% <100.00%> (+1.17%)	⬆️

... and 5 files with indirect coverage changes

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[omritoptix]

@mtsitrin build failed