bump actions/checkout from 5 to 6

Author: dhritzkiv

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         node-version: [24.x]
         os: [ubuntu-24.04, ubuntu-24.04-arm, windows-2025, macos-15, macos-26]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
       attestations: write
       packages: read
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
@@ -54,7 +54,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version: '24.x'