chore: proto json tags to snake_case (#1130)

## Description

closes: #XXXX

---

### 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
- [ ] added appropriate labels to the PR
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/umee-network/umee/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] 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 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

@@ -56,6 +56,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 - [1123](https://github.com/umee-network/umee/pull/1123) Shorten all leverage and oracle query structs by removing the Request suffix.
 - [1125](https://github.com/umee-network/umee/pull/1125) Refactor: remove proto getters in x/leverage and x/oracle proto types.
 - [1126](https://github.com/umee-network/umee/pull/1126) Update proto json tag from `APY` to `apy`.
+- [1130](https://github.com/umee-network/umee/pull/1130) Update proto json tag to lower case.
 
 ### Features
 

proto/umee/leverage/v1/query.proto

@@ -433,15 +433,18 @@ message QueryMarketSummaryResponse {
   ];
   string uToken_exchange_rate = 4 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
-    (gogoproto.nullable)   = false
+    (gogoproto.nullable)   = false,
+    (gogoproto.jsontag)    = "utoken_exchange_rate"
   ];
   string supply_APY = 5 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
-    (gogoproto.nullable)   = false
-  ];
-  string borrow_APY = 6 [
+    (gogoproto.nullable)   = false,
+    (gogoproto.jsontag)    = "supply_apy"
+    ];
+    string borrow_APY = 6 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
-    (gogoproto.nullable)   = false
+    (gogoproto.nullable)   = false,
+    (gogoproto.jsontag)    = "borrow_apy"
   ];
   string market_size = 7 [
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int",