build(deps): bump actions/download-artifact from 3 to 4 (#9294)

Bumps
[actions/download-artifact](https://github.com/actions/download-artifact)
from 3 to 4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/actions/download-artifact/releases">actions/download-artifact's
releases</a>.</em></p>
<blockquote>
<h2>v4.0.0</h2>
<h2>What's Changed</h2>
<p>The release of upload-artifact@v4 and download-artifact@v4 are major
changes to the backend architecture of Artifacts. They have numerous
performance and behavioral improvements.</p>
<p>For more information, see the <a
href="https://github.com/actions/toolkit/tree/main/packages/artifact"><code>@​actions/artifact</code></a>
documentation.</p>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/bflad"><code>@​bflad</code></a> made
their first contribution in <a
href="https://redirect.github.com/actions/download-artifact/pull/194">actions/download-artifact#194</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/actions/download-artifact/compare/v3...v4.0.0">https://github.com/actions/download-artifact/compare/v3...v4.0.0</a></p>
<h2>v3.0.2</h2>
<ul>
<li>Bump <code>@actions/artifact</code> to v1.1.1 - <a
href="https://redirect.github.com/actions/download-artifact/pull/195">actions/download-artifact#195</a></li>
<li>Fixed a bug in Node16 where if an HTTP download finished too quickly
(&lt;1ms, e.g. when it's mocked) we attempt to delete a temp file that
has not been created yet <a
href="hhttps://redirect.github.com/actions/toolkit/pull/1278">actions/toolkit#1278</a></li>
</ul>
<h2>v3.0.1</h2>
<ul>
<li><a
href="https://redirect.github.com/actions/download-artifact/pull/178">Bump
<code>@​actions/core</code> to 1.10.0</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="7a1cd3216c"><code>7a1cd32</code></a>
Merge pull request <a
href="https://redirect.github.com/actions/download-artifact/issues/246">#246</a>
from actions/v4-beta</li>
<li><a
href="8f32874a49"><code>8f32874</code></a>
licensed cache</li>
<li><a
href="b5ff8444b1"><code>b5ff844</code></a>
Merge pull request <a
href="https://redirect.github.com/actions/download-artifact/issues/245">#245</a>
from actions/robherley/v4-documentation</li>
<li><a
href="f07a0f73f5"><code>f07a0f7</code></a>
Update README.md</li>
<li><a
href="7226129829"><code>7226129</code></a>
update test workflow to use different artifact names for matrix</li>
<li><a
href="ada9446619"><code>ada9446</code></a>
update docs and bump <code>@​actions/artifact</code></li>
<li><a
href="7eafc8b729"><code>7eafc8b</code></a>
Merge pull request <a
href="https://redirect.github.com/actions/download-artifact/issues/244">#244</a>
from actions/robherley/bump-toolkit</li>
<li><a
href="3132d12662"><code>3132d12</code></a>
consume latest toolkit</li>
<li><a
href="5be1d38671"><code>5be1d38</code></a>
Merge pull request <a
href="https://redirect.github.com/actions/download-artifact/issues/243">#243</a>
from actions/robherley/v4-beta-updates</li>
<li><a
href="465b526e63"><code>465b526</code></a>
consume latest <code>@​actions/toolkit</code></li>
<li>Additional commits viewable in <a
href="https://github.com/actions/download-artifact/compare/v3...v4">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/build-syncthing.yaml

@@ -349,7 +349,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: packages-macos
 
@@ -504,7 +504,7 @@ jobs:
           fetch-depth: 0
 
       - name: Download artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
 
       - name: Install signing tool
         run: |
@@ -620,7 +620,7 @@ jobs:
           fetch-depth: 0
 
       - name: Download artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: packages-signed
           path: packages
@@ -662,13 +662,13 @@ jobs:
           fetch-depth: 0
 
       - name: Download signed packages
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: packages-signed
           path: packages
 
       - name: Download debian packages
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: debian-packages
           path: packages