chore(deps): update download + upload artifacts (major) (#30754)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[actions/download-artifact](https://redirect.github.com/actions/download-artifact)
| action | major | `v5` -> `v6` |
|
[actions/upload-artifact](https://redirect.github.com/actions/upload-artifact)
| action | major | `v4` -> `v5` |

---

### Release Notes

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

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

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

</details>

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

###
[`v5`](https://redirect.github.com/actions/upload-artifact/compare/v4...v5)

[Compare
Source](https://redirect.github.com/actions/upload-artifact/compare/v4...v5)

</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@v5
+    - uses: actions/download-artifact@v6
       with:
         name: ${{ inputs.name }}
         path: ${{ inputs.path }}

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

@@ -62,7 +62,7 @@ runs:
       working-directory: ./core
     - name: Archive Updated Screenshots
       if: inputs.update == 'true' && steps.test-and-update.outputs.hasUpdatedScreenshots == 'true'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       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@v6
       with:
         node-version: 24.x
-    - uses: actions/download-artifact@v5
+    - uses: actions/download-artifact@v6
       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@v4
+    - uses: actions/upload-artifact@v5
       with:
         name: ${{ inputs.name }}
         path: ${{ inputs.output }}