chore(deps): bump the actions group with 3 updates

.github/workflows/claude-responder.yml

@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Claude Code
         run: npm install -g @anthropic-ai/claude-code
@@ -91,7 +91,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Claude Code
         run: npm install -g @anthropic-ai/claude-code

.github/workflows/comparison-update.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Claude Code
         run: npm install -g @anthropic-ai/claude-code

.github/workflows/docs-audit.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install Claude Code
         run: npm install -g @anthropic-ai/claude-code

.github/workflows/freshness-check.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Get latest Claude Code version
         id: latest

.github/workflows/pr-quality-gate.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 3
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/quick-merge.yml

@@ -39,7 +39,7 @@ jobs:
   merge:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Mark PR as ready and merge
         env:

.github/workflows/upstream-watcher.yml

@@ -44,11 +44,11 @@ jobs:
 
     steps:
       # ---- setup ----
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
           cache: 'pip'

.github/workflows/validate.yml

@@ -31,10 +31,10 @@ jobs:
   markdown-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Run markdownlint
-        uses: DavidAnson/markdownlint-cli2-action@v19
+        uses: DavidAnson/markdownlint-cli2-action@v22
         with:
           globs: |
             **/*.md
@@ -49,7 +49,7 @@ jobs:
   link-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check links with lychee
         uses: lycheeverse/lychee-action@v2
@@ -66,7 +66,7 @@ jobs:
   hook-syntax:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Validate shell scripts
         run: |
@@ -140,7 +140,7 @@ jobs:
   json-validation:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Validate JSON files
         run: |
@@ -182,7 +182,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check for version stamps
         run: |
@@ -227,10 +227,10 @@ jobs:
   python-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 
@@ -272,10 +272,10 @@ jobs:
   pytest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
           cache: 'pip'