Bump GabrielBB/xvfb-action from 1.6 to 1.7 (#5767)

Bumps [GabrielBB/xvfb-action](https://github.com/gabrielbb/xvfb-action)
from 1.6 to 1.7.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/b706e4e27b14669b486812790492dc50ca16b465"><code>b706e4e</code></a>
Format index.js</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/50ab602596311f3dfacfcde4d04cd30ecfe1ca6f"><code>50ab602</code></a>
Update package-lock.json</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/1783bd4d518616616d7c0e445e14afbdac635620"><code>1783bd4</code></a>
Update package.json</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/4ab69a7c0ce951dbeb6879fe609cb0cc16585356"><code>4ab69a7</code></a>
Update README.md</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/e399575d4f89e44b00f385664a1d7753311e71c3"><code>e399575</code></a>
Update index.js</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/6cc74925f30e9840718aa23f6ae2fa26948a7d23"><code>6cc7492</code></a>
Update index.js</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/e3744ae4a218659b10070583df14589cabc8d534"><code>e3744ae</code></a>
Update index.js</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/b2cde5eef96accb50bc8629fb9ba3fc527b2ddeb"><code>b2cde5e</code></a>
Merge pull request <a
href="https://redirect.github.com/gabrielbb/xvfb-action/issues/38">#38</a>
from hamirmahal/fix/usage-of-node12-which-is-deprecated</li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/2859b7c95b2806c4bc63e5aea7d83f606b8e0686"><code>2859b7c</code></a>
fix: usage of <code>node12 which is deprecated</code></li>
<li><a
href="https://github.com/GabrielBB/xvfb-action/commit/0ec15112a930ad03b1727bdfb10ed91f1ed4a2c4"><code>0ec1511</code></a>
chore: changes from formatting on save</li>
<li>Additional commits viewable in <a
href="https://github.com/gabrielbb/xvfb-action/compare/v1.6...v1.7">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/positron-python-ci.yml

@@ -374,7 +374,7 @@ jobs:
           TEST_FILES_SUFFIX: testvirtualenvs
           CI_PYTHON_VERSION: ${{ matrix.python }}
           POSITRON_GITHUB_PAT: ${{ github.token }}
-        uses: GabrielBB/xvfb-action@v1.6
+        uses: GabrielBB/xvfb-action@v1.7
         with:
           run: npm run testSingleWorkspace
           working-directory: ${{ env.special-working-directory }}/${{ env.PROJECT_DIR }}
@@ -384,7 +384,7 @@ jobs:
         env:
           CI_PYTHON_VERSION: ${{ matrix.python }}
           POSITRON_GITHUB_PAT: ${{ github.token }}
-        uses: GabrielBB/xvfb-action@v1.6
+        uses: GabrielBB/xvfb-action@v1.7
         with:
           run: npm run testSingleWorkspace
           working-directory: ${{ env.special-working-directory }}/${{ env.PROJECT_DIR }}
@@ -394,7 +394,7 @@ jobs:
         env:
           CI_PYTHON_VERSION: ${{ matrix.python }}
           POSITRON_GITHUB_PAT: ${{ github.token }}
-        uses: GabrielBB/xvfb-action@v1.6
+        uses: GabrielBB/xvfb-action@v1.7
         with:
           run: npm run testDebugger
           working-directory: ${{ env.special-working-directory }}/${{ env.PROJECT_DIR }}