chore(deps): update actions/checkout action to v6 (#85)

Reviewed-on: https://gitea.com/gitea/helm-actions/pulls/85
Co-authored-by: Renovate Bot <renovate-bot@gitea.com>
Co-committed-by: Renovate Bot <renovate-bot@gitea.com>

.gitea/workflows/changelog.yml

@@ -13,7 +13,7 @@ jobs:
       - name: install tools
         run: |
           apk add -q --update --no-cache nodejs curl jq sed
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Generate upcoming changelog

.gitea/workflows/commitlint.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     container: commitlint/commitlint:20.1.0
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: check PR title
         run: |
           echo "${{ gitea.event.pull_request.title }}" | commitlint --config .commitlintrc.json

.gitea/workflows/release-version.yml

@@ -13,7 +13,7 @@ jobs:
   generate-chart-publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: install tools
         run: |
           apt update -y

.gitea/workflows/shellcheck.yml

@@ -9,6 +9,6 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: apt update --yes && apt install --yes shellcheck
       - run: find . -type f -name "*.sh" -exec shellcheck -a {} \;

.gitea/workflows/test-pr.yml

@@ -25,7 +25,7 @@ jobs:
         uses: pnpm/action-setup@v4
         with:
           version: 10
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: install chart dependencies
         run: helm dependency build
       - name: lint