chore(deps): Bump cuchi/jinja2-action from 1.2.0 to 1.2.1 (#940)

Bumps [cuchi/jinja2-action](https://github.com/cuchi/jinja2-action) from
1.2.0 to 1.2.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/cuchi/jinja2-action/releases">cuchi/jinja2-action's
releases</a>.</em></p>
<blockquote>
<h2>1.2.1</h2>
<ul>
<li>Perf: Improve Dockerfile layers.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="3fa06acb38"><code>3fa06ac</code></a>
Merge pull request <a
href="https://redirect.github.com/cuchi/jinja2-action/issues/14">#14</a>
from funkyfuture/patch-1</li>
<li><a
href="6783cffa66"><code>6783cff</code></a>
Dockerfile: Reduces layer overhead</li>
<li><a
href="55f4190692"><code>55f4190</code></a>
Merge pull request <a
href="https://redirect.github.com/cuchi/jinja2-action/issues/11">#11</a>
from cuchi/add-unit-tests</li>
<li><a
href="fe228f6ef2"><code>fe228f6</code></a>
chore: fix ci</li>
<li><a
href="5a62d10241"><code>5a62d10</code></a>
test: add the unit tests</li>
<li><a
href="29b3303dc9"><code>29b3303</code></a>
chore: fix enum</li>
<li><a
href="841c222d85"><code>841c222</code></a>
refactor: add enum for inputs</li>
<li><a
href="7559cedcf0"><code>7559ced</code></a>
refactor: render from template in the context class</li>
<li><a
href="fb642e9bf7"><code>fb642e9</code></a>
chore: fix Dockerfile</li>
<li><a
href="4e1f15adf9"><code>4e1f15a</code></a>
refactor: split context class into its own file</li>
<li>Additional commits viewable in <a
href="https://github.com/cuchi/jinja2-action/compare/v1.2.0...v1.2.1">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/ci.yml

@@ -625,7 +625,7 @@ jobs:
 
       - name: Create Homebrew formula
         if: startsWith(github.ref, 'refs/tags/')
-        uses: cuchi/jinja2-action@v1.2.0
+        uses: cuchi/jinja2-action@v1.2.1
         with:
           template: .github/templates/homebrew.martin.rb.j2
           output_file: target/homebrew/martin.rb