Bump actions/checkout from 5 to 6

.github/workflows/api-docs.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Node
         uses: actions/setup-node@v6
         with:

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         os: ["ubuntu-latest", "windows-latest", "macos-latest"]
         node-version: ["22.x", "20.x"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
@@ -40,7 +40,7 @@ jobs:
     needs: [unit-tests]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           # Sonar analysis needs the full history for features like automatic assignment of bugs. If the following step
           # is not included the project will show a warning about incomplete information.

.github/workflows/e2e-browser.yml

@@ -20,7 +20,7 @@ jobs:
         experimental: [false]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"

.github/workflows/e2e-node.yml

@@ -23,7 +23,7 @@ jobs:
         environment-name: ["ESS PodSpaces", "ESS Release-2-3", "ESS Next"]
         experimental: [false]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
   publish-npm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Prepare for publication to npm
         uses: actions/setup-node@v6
         with: