From 2614b6efb3bbf0158f81352714de786d58e772c0 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Mon, 24 Nov 2025 07:11:38 +0000
Subject: [PATCH] Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 .github/workflows/ci.yml           | 4 ++--
 .github/workflows/deploy.yml       | 2 +-
 .github/workflows/devcontainer.yml | 2 +-
 .github/workflows/update.yml       | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a2ec4a65..aec1d535 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # panic! を Ubuntu 上で評価するとバックトレースが表示されてしまう問題の修正
       - name: set environment variable
@@ -39,7 +39,7 @@ jobs:
     if: github.ref == 'refs/heads/main'
     steps:
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: lean action
         uses: leanprover/lean-action@v1
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 76b93f6c..3b5a5bbb 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install elan
         run: |
diff --git a/.github/workflows/devcontainer.yml b/.github/workflows/devcontainer.yml
index 2ca907aa..6932a962 100644
--- a/.github/workflows/devcontainer.yml
+++ b/.github/workflows/devcontainer.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index c704541e..e765ed52 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       # panic! を Ubuntu 上で評価するとバックトレースが表示されてしまう問題の修正
       - name: set environment variable
         run: echo "LEAN_BACKTRACE=0" >> $GITHUB_ENV