feat: deprecate x/params usage in x/gov (#12631)

## Description

Closes: #12495



---

### 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

*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)

.gitignore

@@ -57,3 +57,5 @@ dependency-graph.png
 *.synctex.gz
 /x/genutil/config/priv_validator_key.json
 /x/genutil/data/priv_validator_state.json
+
+debug_container.dot

CHANGELOG.md

@@ -61,6 +61,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/mint) [#12363](https://github.com/cosmos/cosmos-sdk/pull/12363) Migrate `x/mint` to self-managed parameters and deprecate it's usage of `x/params`.
 * (x/distribution) [#12434](https://github.com/cosmos/cosmos-sdk/pull/12434) Migrate `x/distribution` to self-managed parameters and deprecate it's usage of `x/params`.
 * (x/crisis) [#12445](https://github.com/cosmos/cosmos-sdk/pull/12445) Migrate `x/crisis` to self-managed parameters and deprecate it's usage of `x/params`.
+* (x/gov) [#12631](https://github.com/cosmos/cosmos-sdk/pull/12631) Migrate `x/gov` to self-managed parameters and deprecate it's usage of `x/params`.
 * (x/staking) [#12409](https://github.com/cosmos/cosmos-sdk/pull/12409) Migrate `x/staking` to self-managed parameters and deprecate it's usage of `x/params`.
 * (x/bank) [#11859](https://github.com/cosmos/cosmos-sdk/pull/11859) Move the SendEnabled information out of the Params and into the state store directly.
 
@@ -83,6 +84,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/distribution) [#12434](https://github.com/cosmos/cosmos-sdk/pull/12434) `x/distribution` module `SetParams` keeper method definition is now updated to return `error`.
 * (x/staking) [#12409](https://github.com/cosmos/cosmos-sdk/pull/12409) `x/staking` module `SetParams` keeper method definition is now updated to return `error`.
 * (x/crisis) [#12445](https://github.com/cosmos/cosmos-sdk/pull/12445) `x/crisis` module `SetConstantFee` keeper method definition is now updated to return `error`.
+* (x/gov) [#12631](https://github.com/cosmos/cosmos-sdk/pull/12631) `x/gov` module refactored to use `Params` as single struct instead of `DepositParams`, `TallyParams` & `VotingParams`.
+* (x/gov) [#12631](https://github.com/cosmos/cosmos-sdk/pull/12631) Migrate `x/gov` to self-managed parameters and deprecate it's usage of `x/params`.
 * (x/bank) [#12630](https://github.com/cosmos/cosmos-sdk/pull/12630) `x/bank` module `SetParams` keeper method definition is now updated to return `error`.
 * (x/bank) [\#11859](https://github.com/cosmos/cosmos-sdk/pull/11859) Move the SendEnabled information out of the Params and into the state store directly.
   The information can now be accessed using the BankKeeper.