ci: Use reusable workflows from taiki-e/github-actions

Author: taiki-e

.github/workflows/ci.yml

@@ -23,4 +23,4 @@ concurrency:
 
 jobs:
   tidy:
-    uses: taiki-e/workflows/.github/workflows/tidy.yml@main
+    uses: taiki-e/github-actions/.github/workflows/tidy.yml@main