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

Author: renovate[bot]

.github/workflows/audit-pending-releases.yml

@@ -11,7 +11,7 @@ jobs:
   npm-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.ref }}
 

.github/workflows/coverage.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           registry-url: 'https://registry.npmjs.org'

.github/workflows/pr-checks.yaml

@@ -21,7 +21,7 @@ jobs:
           - 24.x
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
         with:
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version-file: '.nvmrc'
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version-file: '.nvmrc'
@@ -85,7 +85,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version-file: '.nvmrc'

.github/workflows/release-please.yml

@@ -38,7 +38,7 @@ jobs:
         release: ${{ fromJSON(needs.release-please.outputs.paths_released) }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
@@ -66,7 +66,7 @@ jobs:
     steps:
       # The logic below handles the npm publication:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup Node
         uses: actions/setup-node@v4
         with: