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

Author: renovate-bot

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24
@@ -19,7 +19,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24
@@ -28,7 +28,7 @@ jobs:
   tsc:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24
@@ -37,7 +37,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 24

.github/workflows/release-please.yml

@@ -20,7 +20,7 @@ jobs:
           token: ${{ github.token }}
           release-type: node
       # The logic below handles the npm publication:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         # these if statements ensure that a publication only occurs when
         # a new release is created:
         if: ${{ steps.release.outputs.release_created }}