docs: replace BREAKING with Breaking in Changelog

Author: smol-ninja

CHANGELOG.md

@@ -17,16 +17,16 @@ All notable changes to this project will be documented in this file. The format
 
 ### Changed
 
-- **BREAKING**: Replace single factory with separate factories for each campaign type
+- **Breaking**: Replace single factory with separate factories for each campaign type
   ([#70](https://github.com/sablier-labs/airdrops/pull/70))
-- **BREAKING**: Store fee as USD value instead of native token value
+- **Breaking**: Store fee as USD value instead of native token value
   ([#68](https://github.com/sablier-labs/airdrops/pull/68))
-- **BREAKING**: Refactor existing `Claim` events ([#163](https://github.com/sablier-labs/airdrops/pull/163))
-- **BREAKING**: Rename `STREAM_START_TIME` to `VESTING_START_TIME` in `SablierMerkleLT`
+- **Breaking**: Refactor existing `Claim` events ([#163](https://github.com/sablier-labs/airdrops/pull/163))
+- **Breaking**: Rename `STREAM_START_TIME` to `VESTING_START_TIME` in `SablierMerkleLT`
   ([#125](https://github.com/sablier-labs/airdrops/pull/125))
-- **BREAKING**: Rename `getTranchesWithPercentages` to `tranchesWithPercentages`
-- **BREAKING**: Rename `getFirstClaimTime()` to `firstClaimTime()`
-- **BREAKING**: Refactor schedule struct into `immutable` variables in `SablierMerkleLL`
+- **Breaking**: Rename `getTranchesWithPercentages` to `tranchesWithPercentages`
+- **Breaking**: Rename `getFirstClaimTime()` to `firstClaimTime()`
+- **Breaking**: Refactor schedule struct into `immutable` variables in `SablierMerkleLL`
   ([#125](https://github.com/sablier-labs/airdrops/pull/125))
 
 ### Added
@@ -44,7 +44,7 @@ All notable changes to this project will be documented in this file. The format
 
 ### Removed
 
-- **BREAKING**: Remove `collectFees()` from campaign contracts (moved to factory)
+- **Breaking**: Remove `collectFees()` from campaign contracts (moved to factory)
 
 ## [1.3.0] - 2025-01-29