Bump gitpython from 2.0.8 to 3.1.30 in /docs (#58)

Bumps [gitpython](https://github.com/gitpython-developers/GitPython)
from 2.0.8 to 3.1.30.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/gitpython-developers/GitPython/releases">gitpython's
releases</a>.</em></p>
<blockquote>
<h2>v3.1.30 - with important security fixes</h2>
<p>See <a
href="https://github-redirect.dependabot.com/gitpython-developers/GitPython/issues/1515">gitpython-developers/GitPython#1515</a>
for details.</p>
<h2>3.1.20</h2>
<p>No release notes provided.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/141cd651e459bff8919798b3ccf03dfa167757f6"><code>141cd65</code></a>
adjust changelog prior to release</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/678a8fe08dd466fcfe8676294b52887955138960"><code>678a8fe</code></a>
Merge pull request <a
href="https://github-redirect.dependabot.com/gitpython-developers/GitPython/issues/1521">#1521</a>
from stsewd/block-insecure-options</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/ae6a6e4b088a35c0fc7b17940722c8a515f7bee7"><code>ae6a6e4</code></a>
Fix type hint on create_tag</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/5bce9b4f7fc825d8bcd450325e6dda78c49f0ca0"><code>5bce9b4</code></a>
Document PushInfoList</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/f4f2658d5d308b3fb9162e50cd4c7b346e7a0a47"><code>f4f2658</code></a>
Updates from review</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/9dc43926207b2205d77511c6ffd40944199f0c2d"><code>9dc4392</code></a>
Submodule tests</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/c8ae33b9314a7d3716827b5cb705a3cd0a2e4a46"><code>c8ae33b</code></a>
More tests</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/b92f01a3a38fc8e171d08575c69de9733811faa6"><code>b92f01a</code></a>
Update/add tests for Repo.clone*</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/fd2c6da5f82009398d241dc07603fbcd490ced29"><code>fd2c6da</code></a>
Updates from review</li>
<li><a
href="https://github.com/gitpython-developers/GitPython/commit/e6108c7997f5c8f7361b982959518e982b973230"><code>e6108c7</code></a>
Block unsafe options and protocols by default</li>
<li>Additional commits viewable in <a
href="https://github.com/gitpython-developers/GitPython/compare/2.0.8...3.1.30">compare
view</a></li>
</ul>
</details>
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Nicolas Barra <[email protected]>

Author: dependabot[bot]

docs/requirements.txt

@@ -1,5 +1,5 @@
 -r ../requirements3.txt
-GitPython==2.0.8
+GitPython==3.1.30
 Jinja2==2.11.3
 MarkupSafe==1.1.1
 Pygments==2.7.4