Bump Tendermint v0.33.4

[alexanderbez]

We have to manually bump Tendermint to 0.33.4 because APIs & packages were broken :(

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For contributor use:

• 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

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #6055 into master will increase coverage by 0.00%.
The diff coverage is 36.84%.

@@           Coverage Diff           @@
##           master    #6055   +/-   ##
=======================================
  Coverage   54.64%   54.64%           
=======================================
  Files         425      425           
  Lines       25815    25822    +7     
=======================================
+ Hits        14106    14111    +5     
- Misses      10735    10737    +2     
  Partials      974      974           

[cwgoes]

utACK 🎉