chore(deps): update actions/checkout action to v6 (#574)

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 is behind base branch, 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-shared-js).

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.github/workflows/publish_to_npm.yaml

@@ -17,7 +17,7 @@ jobs:
         name: Publish to NPM
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
               with:
                   ref: ${{ inputs.ref }}
                   token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}

.github/workflows/test_and_release.yaml

@@ -18,7 +18,7 @@ jobs:
                 node-version: [ 16, 18, 20, 22 ]
 
         steps:
-            -   uses: actions/checkout@v5
+            -   uses: actions/checkout@v6
             -   name: Use Node.js ${{ matrix.node-version }}
                 uses: actions/setup-node@v6
                 with:
@@ -41,7 +41,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            -   uses: actions/checkout@v5
+            -   uses: actions/checkout@v6
             -   name: Use Node.js 20
                 uses: actions/setup-node@v6
                 with:
@@ -67,7 +67,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            -   uses: actions/checkout@v5
+            -   uses: actions/checkout@v6
             -   name: Use Node.js 20
                 uses: actions/setup-node@v6
                 with:
@@ -87,7 +87,7 @@ jobs:
         needs: [ test, build, lint ]
         runs-on: ubuntu-latest
         steps:
-            -   uses: actions/checkout@v5
+            -   uses: actions/checkout@v6
                 with:
                     fetch-depth: 0 # we need to pull everything to allow lerna to detect what packages changed
             -   uses: actions/setup-node@v6