ci: update actions

Author: ryuapp

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Deno
         uses: denoland/setup-deno@v2

.github/workflows/publish.yml

@@ -13,11 +13,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Deno
         uses: denoland/setup-deno@v2
 
       - name: Publish JSR package
         run: deno publish
-