chore(deps): update actions/checkout action to v4 (#11639)

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This PR contains the following updates:

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

---

### Release Notes

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

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

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

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

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

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---

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.github/workflows/configure_release_please.yml

@@ -35,7 +35,7 @@ jobs:
     # don't run the workflow on forks of googleapis/google-cloud-python
     if: ${{github.repository == 'googleapis/google-cloud-python'}}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.11
         uses: actions/setup-python@v4
         with:

.github/workflows/docs.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:

.github/workflows/lint.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:

.github/workflows/main.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Get current date
         id: date
         run: echo "::set-output name=current_date::$(date +'%Y-%m-%d')"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python 3.9
         uses: actions/setup-python@v4
         with:

.github/workflows/scripts.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:

.github/workflows/unittest.yml

@@ -15,7 +15,7 @@ jobs:
         python: ['3.7', '3.8', '3.9', '3.10', "3.11"]
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 2
     - name: Setup Python
@@ -46,7 +46,7 @@ jobs:
         python: ['3.11']
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
@@ -69,7 +69,7 @@ jobs:
         - unit
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:

.github/workflows/updatechangelog.yml

@@ -33,7 +33,7 @@ jobs:
     # don't run the workflow on forks of googleapis/google-cloud-python
     if: ${{github.repository == 'googleapis/google-cloud-python'}}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run bash script to update CHANGELOG.md in the root directory
         run: ./scripts/updatechangelog.sh
       - uses: googleapis/code-suggester@v4