Bump coverallsapp/github-action from 2.2.1 to 2.2.3 (#145)

Bumps [coverallsapp/github-action](https://github.com/coverallsapp/github-action) from 2.2.1 to 2.2.3.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/coverallsapp/github-action/commit/3dfc5567390f6fa9267c0ee9c251e4c8c3f18949"><code>3dfc556</code></a> fix: don't fail if bin directory exists on windows (<a href="https://redirect.github.com/coverallsapp/github-action/issues/189">#189</a>)</li>
<li><a href="https://github.com/coverallsapp/github-action/commit/3b7078ee895f74fc267b7b267c88211df59fa816"><code>3b7078e</code></a> feat: use pwsh for windows runner (<a href="https://redirect.github.com/coverallsapp/github-action/issues/188">#188</a>)</li>
<li>See full diff in <a href="https://github.com/coverallsapp/github-action/compare/95b1a2355bd0e526ad2fd62da9fd386ad4c98474...3dfc5567390f6fa9267c0ee9c251e4c8c3f18949">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=coverallsapp/github-action&package-manager=github_actions&previous-version=2.2.1&new-version=2.2.3)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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</details>

Author: dependabot[bot]

.github/workflows/dart.yaml

@@ -113,7 +113,7 @@ jobs:
         if: ${{ matrix.sdk == 'stable' }}
 
       - name: Upload coverage
-        uses: coverallsapp/github-action@95b1a2355bd0e526ad2fd62da9fd386ad4c98474
+        uses: coverallsapp/github-action@3dfc5567390f6fa9267c0ee9c251e4c8c3f18949
         with:
           flag-name: ${{ matrix.package }}-${{ matrix.os }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -125,7 +125,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Upload coverage
-        uses: coverallsapp/github-action@95b1a2355bd0e526ad2fd62da9fd386ad4c98474
+        uses: coverallsapp/github-action@3dfc5567390f6fa9267c0ee9c251e4c8c3f18949
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           parallel-finished: true