fix: update x/mint parameter validation (#12384)

## Description

Ensure `GoalBonded` must be positive.

---

### 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...

- [ ] 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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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)

(cherry picked from commit fef4632)

CHANGELOG.md

@@ -49,6 +49,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Bug Fixes
 
+* (x/mint) [#12384](https://github.com/cosmos/cosmos-sdk/pull/12384) Ensure `GoalBonded` must be positive when performing `x/mint` parameter validation.
 * (x/auth) [#12261](https://github.com/cosmos/cosmos-sdk/pull/12261) Deprecate pagination in GetTxsEventRequest/Response in favor of page and limit to align with tendermint `SignClient.TxSearch`
 * (vesting) [#12190](https://github.com/cosmos/cosmos-sdk/pull/12190) Replace https://github.com/cosmos/cosmos-sdk/pull/12190 to use `NewBaseAccountWithAddress` in all vesting account message handlers.
 * (cli) [#12127](https://github.com/cosmos/cosmos-sdk/pull/12127) Fix the CLI not always taking into account `--fee-payer` and `--fee-granter` flags.

x/mint/types/params.go

@@ -169,8 +169,8 @@ func validateGoalBonded(i interface{}) error {
 		return fmt.Errorf("invalid parameter type: %T", i)
 	}
 
-	if v.IsNegative() {
-		return fmt.Errorf("goal bonded cannot be negative: %s", v)
+	if v.IsNegative() || v.IsZero() {
+		return fmt.Errorf("goal bonded must be positive: %s", v)
 	}
 	if v.GT(sdk.OneDec()) {
 		return fmt.Errorf("goal bonded too large: %s", v)