chore(deps): update actions/checkout action to v6 (#143)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | major | `v5.0.0` -> `v6.0.0` |

---

### Release Notes

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

###
[`v6.0.0`](https://redirect.github.com/actions/checkout/compare/v5.0.1...v6.0.0)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v5.0.1...v6.0.0)

###
[`v5.0.1`](https://redirect.github.com/actions/checkout/releases/tag/v5.0.1)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v5.0.0...v5.0.1)

##### What's Changed

- Port v6 cleanup to v5 by
[@&#8203;ericsciple](https://redirect.github.com/ericsciple) in
[#&#8203;2301](https://redirect.github.com/actions/checkout/pull/2301)

**Full Changelog**:
<actions/checkout@v5...v5.0.1>

</details>

---

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---

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---

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.github/workflows/dockerfile.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
 
       - name: Use Node.js
         uses: actions/setup-node@v6.0.0

.github/workflows/lint.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
 
       - name: Use Node.js
         uses: actions/setup-node@v6.0.0

.github/workflows/runtime.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: [ubuntu-24.04]
 
     steps:
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
 
       - name: Use Node.js
         uses: actions/setup-node@v6.0.0

.github/workflows/trivy.yml

@@ -34,7 +34,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5.0.1
+        uses: actions/checkout@v6.0.0
 
       - name: Install Trivy
         uses: aquasecurity/setup-trivy@v0.2.4