Bump enthought/setup-edm-action from 3 to 4 (#359)

Bumps
[enthought/setup-edm-action](https://github.com/enthought/setup-edm-action)
from 3 to 4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/enthought/setup-edm-action/releases">enthought/setup-edm-action's
releases</a>.</em></p>
<blockquote>
<h2>v4</h2>
<h2>What's Changed</h2>
<ul>
<li>ENH: supports edm 4 on Linux by <a
href="https://github.com/dpinte"><code>@​dpinte</code></a> in <a
href="https://redirect.github.com/enthought/setup-edm-action/pull/15">enthought/setup-edm-action#15</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/dpinte"><code>@​dpinte</code></a> made
their first contribution in <a
href="https://redirect.github.com/enthought/setup-edm-action/pull/15">enthought/setup-edm-action#15</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/enthought/setup-edm-action/compare/v3...v4">https://github.com/enthought/setup-edm-action/compare/v3...v4</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/enthought/setup-edm-action/commit/e0ea43d167d08f142ea80bfec022c6bb4ee556c0"><code>e0ea43d</code></a>
ENH: supports edm 4 on Linux (<a
href="https://redirect.github.com/enthought/setup-edm-action/issues/15">#15</a>)</li>
<li>See full diff in <a
href="https://github.com/enthought/setup-edm-action/compare/v3...v4">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ets-from-source.yml

@@ -36,7 +36,7 @@ jobs:
           path: ~/.cache
           key: ${{ runner.os }}-${{ matrix.runtime }}-${{ hashFiles('etstool.py') }}
       - name: Setup EDM
-        uses: enthought/setup-edm-action@v3
+        uses: enthought/setup-edm-action@v4
         with:
           edm-version: ${{ env.INSTALL_EDM_VERSION }}
       - name: Install test environment

.github/workflows/test-with-edm.yml

@@ -36,7 +36,7 @@ jobs:
           path: ~/.cache
           key: ${{ runner.os }}-${{ matrix.runtime }}-${{ hashFiles('etstool.py') }}
       - name: Setup EDM
-        uses: enthought/setup-edm-action@v3
+        uses: enthought/setup-edm-action@v4
         with:
           edm-version: ${{ env.INSTALL_EDM_VERSION }}
       - name: Install test environment