chore(deps): update actions/checkout action to v6 (#792)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | major | `v5` -> `v6` |

---

### Release Notes

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

### [`v6`](https://redirect.github.com/actions/checkout/compare/v5...v6)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v5...v6)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "every weekday" (UTC), Automerge - At
any time (no schedule defined).

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

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

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

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/apify/apify-client-js).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi4xNi4xIiwidXBkYXRlZEluVmVyIjoiNDIuMTYuMSIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6W119-->

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

Author: renovate[bot]

.github/workflows/check.yaml

@@ -33,7 +33,7 @@ jobs:
                   access_token: ${{ github.token }}
 
             - name: Checkout repository
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
 
             - name: Use Node.js ${{ matrix.node-version }}
               uses: actions/setup-node@v6
@@ -53,7 +53,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Use Node.js 22
               uses: actions/setup-node@v6
               with:
@@ -72,7 +72,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout Source code
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
 
             - name: Use Node.js 22
               uses: actions/setup-node@v6

.github/workflows/docs.yaml

@@ -18,7 +18,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
 

.github/workflows/pre_release.yaml

@@ -48,7 +48,7 @@ jobs:
 
         steps:
             - name: Checkout repository
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
               with:
                   token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
 

.github/workflows/publish_to_npm.yaml

@@ -25,7 +25,7 @@ jobs:
         name: Publish to NPM
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   ref: ${{ inputs.ref }}
             - name: Use Node.js 22

.github/workflows/release.yaml

@@ -55,7 +55,7 @@ jobs:
 
         steps:
             - name: Checkout repository
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
               with:
                   token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
 
@@ -114,7 +114,7 @@ jobs:
 
         steps:
             - name: Checkout repository
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
               with:
                   ref: ${{ github.event.repository.default_branch }}
                   token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}