taichanne30 -> tai-cha (#12405)

packages/frontend/src/pages/about-misskey.vue

@@ -65,9 +65,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 							<img src="https://avatars.githubusercontent.com/u/67428053?v=4" :class="$style.contributorAvatar">
 							<span :class="$style.contributorUsername">@kakkokari-gtyih</span>
 						</a>
-						<a href="https://github.com/taichanNE30" target="_blank" :class="$style.contributor">
+						<a href="https://github.com/tai-cha" target="_blank" :class="$style.contributor">
 							<img src="https://avatars.githubusercontent.com/u/40626578?v=4" :class="$style.contributorAvatar">
-							<span :class="$style.contributorUsername">@taichanNE30</span>
+							<span :class="$style.contributorUsername">@tai-cha</span>
 						</a>
 					</div>
 				</FormSection>