fix: fixed an incorrect PR link for #10529 (#10918)

## Description

The changelog for #10529 links to the wrong PR. This commit will change the link to point it to the correct PR

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] 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
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [x] 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

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

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

CHANGELOG.md

@@ -202,7 +202,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/bank) [\#9832] (https://github.com/cosmos/cosmos-sdk/pull/9832) Account balance is stored as `sdk.Int` rather than `sdk.Coin`.
 * (x/bank) [\#9890] (https://github.com/cosmos/cosmos-sdk/pull/9890) Remove duplicate denom from denom metadata key.
 * (x/upgrade) [\#10189](https://github.com/cosmos/cosmos-sdk/issues/10189) Removed potential sources of non-determinism in upgrades
-* [\#10393](https://github.com/cosmos/cosmos-sdk/pull/10422) Add `MinCommissionRate` param to `x/staking` module.
+* [\#10422](https://github.com/cosmos/cosmos-sdk/pull/10422) and [\#10529](https://github.com/cosmos/cosmos-sdk/pull/10529) Add `MinCommissionRate` param to `x/staking` module.
 * [#10725](https://github.com/cosmos/cosmos-sdk/pull/10725) populate `ctx.ConsensusParams` for begin/end blockers.
 * [#10763](https://github.com/cosmos/cosmos-sdk/pull/10763) modify the fields in `TallyParams` to use `string` instead of `bytes`