chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/benchmark.yml

@@ -10,7 +10,7 @@ jobs:
     benchmark:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Use Node.js 22
               uses: actions/setup-node@v5
               with:

.github/workflows/codeql-analysis.yml

@@ -16,7 +16,7 @@ jobs:
             security-events: write
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Use Node.js 22
               uses: actions/setup-node@v5
               with:

.github/workflows/label.yml

@@ -25,7 +25,7 @@ jobs:
 
         steps:
             - name: Checkout repository
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
 
             - name: Add label to new issue
               if: github.event_name == 'issues'

.github/workflows/metrics-report.yml

@@ -8,7 +8,7 @@ jobs:
         permissions:
             pull-requests: write
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Use Node.js 22
               uses: actions/setup-node@v5
               with:

.github/workflows/npm-publish.yml

@@ -15,7 +15,7 @@ jobs:
         if: github.event_name == 'push' && github.ref == 'refs/heads/main'
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Use Node.js 22
               uses: actions/setup-node@v5
               with:
@@ -47,7 +47,7 @@ jobs:
         if: github.event_name == 'release' && github.event.action == 'published'
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Use Node.js 22
               uses: actions/setup-node@v5
               with:

.github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     test:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Use Node.js 22
               uses: actions/setup-node@v5
               with: