chore: update upstream gravity module to fix halt bug (backport #932)

[mergify]

This is an automatic backport of pull request #932 done by Mergify.
Cherry-pick of 7f178e3 has failed:

On branch mergify/bp/release/v2.x.x/pr-932
Your branch is up to date with 'origin/release/v2.x.x'.

You are currently cherry-picking commit 7f178e3.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   go.mod
	modified:   go.sum

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   price-feeder/go.mod
	both modified:   price-feeder/go.sum

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[codecov-commenter]

Codecov Report

Merging #933 (7f178e3) into release/v2.x.x (1774b8b) will increase coverage by 0.13%.
The diff coverage is 32.74%.

❗ Current head 7f178e3 differs from pull request most recent head 924c31a. Consider uploading reports for the commit 924c31a to get more accurate results

@@                Coverage Diff                 @@
##           release/v2.x.x     #933      +/-   ##
==================================================
+ Coverage           50.76%   50.90%   +0.13%     
==================================================
  Files                  64       64              
  Lines                9483     9479       -4     
==================================================
+ Hits                 4814     4825      +11     
+ Misses               4424     4401      -23     
- Partials              245      253       +8     

Impacted Files	Coverage Δ
ante/fee.go	93.61% <ø> (ø)
ante/spam_prevention.go	61.76% <ø> (ø)
x/ibctransfer/keeper/keeper.go	77.02% <ø> (ø)
x/leverage/abci.go	0.00% <ø> (ø)
x/leverage/client/cli/proposal.go	72.72% <ø> (ø)
x/leverage/client/cli/query.go	0.00% <0.00%> (ø)
x/leverage/client/cli/tx.go	0.00% <ø> (ø)
x/leverage/genesis.go	50.00% <ø> (ø)
x/leverage/keeper/collateral.go	83.33% <ø> (ø)
x/leverage/keeper/exchange_rate.go	61.81% <ø> (ø)
... and 65 more