ci(check): use composite action

Author: iseki0

.github/workflows/check.yml

@@ -14,21 +14,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Cache IDEA downloading
-        id: cache-idea
-        uses: actions/cache@v4
-        with:
-          path: ~/idea-IC-*
-          key: ${{ runner.os }}-ideaIC-2024.3.1.1
+      - uses: actions/checkout@v4
 
-      - name: Install IntelliJ IDEA
-        if: steps.cache-idea.outputs.cache-hit != 'true'
-        run: curl https://download.jetbrains.com/idea/ideaIC-2024.3.1.1.tar.gz -L | tar -xzf - -C ~
-
-      - uses: actions/checkout@v3
+      - uses: iseki0/idea-download-action@master
 
       - name: Reformat
-        run: ~/idea-IC-*/bin/format.sh -r -m *.kt,*.kts,*.java .
+        run: format -r -m *.kt,*.kts,*.java .
+
       - name: Check
         run: git diff --exit-code --color