add changeset

.changeset/cg-eslint-config.md

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+---
+"@naverpay/eslint-config": major
+---
+
+- Support ESLint 9 and Flat Config
+- **Config Changes**:
+  - Renamed `front` to `react`
+  - Removed `typescript/next` config
+  - Added `strict` config that extends `unicorn` and `sonarjs`
+  - Added YAML lint in `node` and `react` configs
+  - Disallowed unused imports in `node` and `react` configs
+  - Enforced consistent usage of type imports in `typescript` and `react` configs
+- <https://github.com/NaverPayDev/code-style/pull/74>

.changeset/cg-eslint-plugin.md

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+---
+"@naverpay/eslint-plugin": major
+---
+
+- Support ESLint 9 and Flat Config
+- <https://github.com/NaverPayDev/code-style/pull/74>