Update actions/checkout action to v4 (#50)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://togithub.com/actions/checkout) | action |
major | `v3` -> `v4` |

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

###
[`v4`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v400)

[Compare Source](https://togithub.com/actions/checkout/compare/v3...v4)

- [Support fetching without the --progress
option](https://togithub.com/actions/checkout/pull/1067)
-   [Update to node20](https://togithub.com/actions/checkout/pull/1436)

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

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are satisfied.

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rebase/retry checkbox.

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---

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---

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.github/workflows/image-main-latest.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Log in to GHCR
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/lint-go.yml

@@ -10,7 +10,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
           go-version-file: 'go.mod'

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
   helm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Publish Helm charts
         uses: stefanprodan/helm-gh-pages@master
@@ -30,7 +30,7 @@ jobs:
       - name: Log in to GHCR
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 

.github/workflows/test-go.yml

@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Checkout code for ${{ matrix.ci-database }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Go for ${{ matrix.ci-database }}
         uses: actions/setup-go@v4
         with: