Icon update PR made by bezier-asset main (#2545)

### Icon update is ready to be merged! 🎉

- 4 icon(s) modified
- 4 icon(s) added

| Name | Status |
|--|--|
| arrow-left-up-small.svg | ✏️ |
| arrow-up.svg | ✏️ |
| chevron-right-double.svg | ✏️ |
| naver-talktalk.svg | ✏️ |
| chevron-down-bold.svg | 🆕 |
| chevron-left-bold.svg | 🆕 |
| chevron-right-bold.svg | 🆕 |
| chevron-up-bold.svg | 🆕 |

Author: ch-builder

.changeset/icon-update-1733376139366.md

@@ -0,0 +1,19 @@
+---
+"@channel.io/bezier-icons": minor
+---
+
+Update icons
+
+Modified
+
+- arrow-left-up-small.svg
+- arrow-up.svg
+- chevron-right-double.svg
+- naver-talktalk.svg
+
+Added
+
+- chevron-down-bold.svg
+- chevron-left-bold.svg
+- chevron-right-bold.svg
+- chevron-up-bold.svg