chore: bump actions/checkout from 6 to 7

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     name: Bash Syntax
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Check install.sh syntax
         run: bash -n install.sh
@@ -41,7 +41,7 @@ jobs:
     name: Dry-run (Linux compat check)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Patch script for Linux dry-run
         # The script exits on non-Darwin; stub out the OS check so we can

.github/workflows/claude.yml

@@ -23,7 +23,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 1
 

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
     name: Create GitHub Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Validate tag format
         run: |

.github/workflows/update-mirrors.yml

@@ -24,7 +24,7 @@ jobs:
     name: Check Wikipedia for mirror changes
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Fetch and parse mirror list from Wikipedia
         id: check