chore(deps): update download + upload artifacts (major) (#30974)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[actions/download-artifact](https://redirect.github.com/actions/download-artifact)
| action | major | `v7` → `v8` |
|
[actions/upload-artifact](https://redirect.github.com/actions/upload-artifact)
| action | major | `v6` → `v7` |

---

### Release Notes

<details>
<summary>actions/download-artifact (actions/download-artifact)</summary>

###
[`v8`](https://redirect.github.com/actions/download-artifact/compare/v7...v8)

[Compare
Source](https://redirect.github.com/actions/download-artifact/compare/v7...v8)

</details>

<details>
<summary>actions/upload-artifact (actions/upload-artifact)</summary>

###
[`v7`](https://redirect.github.com/actions/upload-artifact/compare/v6...v7)

[Compare
Source](https://redirect.github.com/actions/upload-artifact/compare/v6...v7)

</details>

---

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---

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---

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.github/workflows/actions/download-archive/action.yml

@@ -10,7 +10,7 @@ inputs:
 runs:
   using: 'composite'
   steps:
-    - uses: actions/download-artifact@v7
+    - uses: actions/download-artifact@v8
       with:
         name: ${{ inputs.name }}
         path: ${{ inputs.path }}

.github/workflows/actions/test-core-screenshot/action.yml

@@ -66,7 +66,7 @@ runs:
       working-directory: ./core
     - name: 📦 Archive Updated Screenshots
       if: inputs.update == 'true' && steps.test-and-update.outputs.hasUpdatedScreenshots == 'true'
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: updated-screenshots-${{ inputs.shard }}-${{ inputs.totalShards }}
         path: UpdatedScreenshots-${{ inputs.shard }}-${{ inputs.totalShards }}.zip

.github/workflows/actions/update-reference-screenshots/action.yml

@@ -10,7 +10,7 @@ runs:
     - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
       with:
         node-version: 24.x
-    - uses: actions/download-artifact@v7
+    - uses: actions/download-artifact@v8
       with:
         path: ./artifacts
     - name: 🔎 Extract Archives

.github/workflows/actions/upload-archive/action.yml

@@ -13,7 +13,7 @@ runs:
     - name: 🗄️ Create Archive
       run: zip -q -r ${{ inputs.output }} ${{ inputs.paths }}
       shell: bash
-    - uses: actions/upload-artifact@v6
+    - uses: actions/upload-artifact@v7
       with:
         name: ${{ inputs.name }}
         path: ${{ inputs.output }}