chore(deps): update actions/checkout action to v6 (#16)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/deploy-docs.yaml

@@ -26,7 +26,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: aquaproj/aqua-installer@11dd79b4e498d471a9385aa9fb7f62bb5f52a73c # v4.0.4
         with:
           aqua_version: v2.51.2

.github/workflows/main.yaml

@@ -19,7 +19,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: aquaproj/aqua-installer@11dd79b4e498d471a9385aa9fb7f62bb5f52a73c # v4.0.4
         with:
           aqua_version: v2.51.2
@@ -43,7 +43,7 @@ jobs:
           - '3.14'
         workspace: ['locked', 'latest']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: aquaproj/aqua-installer@11dd79b4e498d471a9385aa9fb7f62bb5f52a73c # v4.0.4
         with:
           aqua_version: v2.51.2
@@ -64,7 +64,7 @@ jobs:
   docs-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: aquaproj/aqua-installer@11dd79b4e498d471a9385aa9fb7f62bb5f52a73c # v4.0.4
         with:
           aqua_version: v2.51.2
@@ -77,7 +77,7 @@ jobs:
   build-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: aquaproj/aqua-installer@11dd79b4e498d471a9385aa9fb7f62bb5f52a73c # v4.0.4
         with:
           aqua_version: v2.51.2

.github/workflows/release.yaml

@@ -13,7 +13,7 @@ jobs:
   build-package:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: aquaproj/aqua-installer@11dd79b4e498d471a9385aa9fb7f62bb5f52a73c # v4.0.4
         with:
           aqua_version: v2.51.2
@@ -30,7 +30,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/download-artifact@v6
         with:
           name: packages-${{ github.ref_name }}
@@ -69,7 +69,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: aquaproj/aqua-installer@11dd79b4e498d471a9385aa9fb7f62bb5f52a73c # v4.0.4
         with:
           aqua_version: v2.51.2