chore(deps): update actions/checkout action to v6 (#989)

Reviewed-on: https://gitea.com/gitea/helm-gitea/pulls/989
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

@@ -9,7 +9,7 @@ jobs:
   generate-chart-publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -104,7 +104,7 @@ jobs:
       - name: install tools
         run: |
           apk add -q --update --no-cache nodejs
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-tags: true
           fetch-depth: 0

.gitea/workflows/test-pr.yml

@@ -21,7 +21,7 @@ jobs:
         run: |
           apk update
           apk add --update bash make nodejs npm yamllint ncurses
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: install chart dependencies
         run: helm dependency build
       - name: lint