chore: upgarde checkout-action to v6 (#862)

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
@@ -23,7 +23,7 @@ jobs:
   prettier:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v1
         with:
@@ -38,7 +38,7 @@ jobs:
   typecheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:

.github/workflows/claude-review.yml

@@ -13,7 +13,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 

.github/workflows/claude.yml

@@ -25,7 +25,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 

.github/workflows/issue-triage.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/release.yml

@@ -32,7 +32,7 @@ jobs:
       next_version: ${{ steps.next_version.outputs.next_version }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -105,7 +105,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -130,7 +130,7 @@ jobs:
   #   environment: production
   #   steps:
   #     - name: Checkout base-action repo
-  #       uses: actions/checkout@v5
+  #       uses: actions/checkout@v6
   #       with:
   #         repository: anthropics/claude-code-base-action
   #         token: ${{ secrets.CLAUDE_CODE_BASE_ACTION_PAT }}