fix: increase sdk.Dec maxApproxRootIterations (cosmos#12229) (cosmos#…

…12275)

## Description

`ApproxRoot` return incorrect value for large `sdk.Dec` because maxApproxRootIterations is not big enough, I increase it to 300

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### Author Checklist

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I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

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I have...

- [x] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [x] confirmed `!` in the type prefix if API or client breaking change
- [x] confirmed all author checklist items have been addressed
- [x] reviewed state machine logic
- [x] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [x] manually tested (if applicable)

(cherry picked from commit 6a3d10b)

Co-authored-by: khanh <50263489+catShaark@users.noreply.github.com>

CHANGELOG.md

@@ -64,6 +64,7 @@ It is strongly recommended to upgrade to these releases as well.
 * (genutil) [#12140](https://github.com/cosmos/cosmos-sdk/pull/12140) Fix staking's genesis JSON migrate in the `simd migrate v0.46` CLI command.
 * (types) [#12154](https://github.com/cosmos/cosmos-sdk/pull/12154) Add `baseAccountGetter` to avoid invalid account error when create vesting account.
 * (x/crisis) [#12208](https://github.com/cosmos/cosmos-sdk/pull/12208) Fix progress index of crisis invariant assertion logs.
+* (types) [#12229](https://github.com/cosmos/cosmos-sdk/pull/12229) Increase sdk.Dec maxApproxRootIterations to 300
 
 ## [v0.46.0-rc1](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.46.0-rc1) - 2022-05-23