v3.x matinenance

[faddat]

Works towards: #788

Description

This PR fixes some issues with osmosis importing v1.0 series code into its v3 self.

It also:

• bumps to tendermint v0.34.15
• bumps to tm-db v0.6.6
• adds support for gorocksdb via cosmos/gorocksdb

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For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (v3.x@f86c90f). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             v3.x     #790   +/-   ##
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  Coverage        ?   18.23%           
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  Files           ?      137           
  Lines           ?    21848           
  Branches        ?        0           
=======================================
  Hits            ?     3985           
  Misses          ?    17201           
  Partials        ?      662           

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[mattverse]

Thanks for this!
Just out of curiosity, is this PR unfinished or draft, or is there a particular reason why certain imports do not have updated sem-ver?

[faddat]

Sorry, that's a bug

definitely thought it was finished.

[faddat]

closing this to make from a branch here

[mattverse]

@faddat Oh was this waiting on me for review or was in WIP?