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

Author: renovate[bot]

.github/workflows/linters.yml

@@ -7,15 +7,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v1
+        uses: actions/checkout@v6
       - name: Commitsar check
         uses: docker://outillage/commitsar
   golangci-lint:
     name: runner / golangci-lint
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v1
+        uses: actions/checkout@v6
       - name: golangci-lint
         uses: docker://reviewdog/action-golangci-lint
         with:

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v1
+        uses: actions/checkout@v6
       - name: Release Notary
         uses: docker://outillage/release-notary
         env:

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           go-version: ${{ matrix.go-version }}
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v1
+        uses: actions/checkout@v6
       - name: Test
         run: |
           go install github.com/magefile/mage
@@ -30,7 +30,7 @@ jobs:
         with:
           go-version: 1.24.x
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v1
+        uses: actions/checkout@v6
       - name: Tidy check
         run: |
           go install github.com/magefile/mage