Bump jupyterhub/repo2docker-action from 73f40a661223935d94921712083a9…

…29474b78a4f to 774bbb1471e3827c67b0a2730ef3a7a217046d5c (#529)

Bumps
[jupyterhub/repo2docker-action](https://github.com/jupyterhub/repo2docker-action)
from 73f40a661223935d94921712083a929474b78a4f to
774bbb1471e3827c67b0a2730ef3a7a217046d5c.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/jupyterhub/repo2docker-action/blob/master/RELEASE.md">jupyterhub/repo2docker-action's
changelog</a>.</em></p>
<blockquote>
<h1>Making a release</h1>
<p>Releases are automated through
<a
href="https://github.com/jupyterhub/repo2docker-action/blob/HEAD/.github/workflows/release-updates.yaml">.github/workflows/release-updates.yaml</a>.</p>
<p>To cut a release, visit the projects <a
href="https://github.com/jupyterhub/repo2docker-action/releases">releases
page</a> where
you create a new GitHub release. Enter a <em>tag name</em> and
<em>release name</em> of
&quot;vX.Y.Z&quot;. Doing so will automatically update the
&quot;vX&quot; branch allowing users to
reference this action with
<code>jupyterhub/repo2docker-action@vX</code>.</p>
<p>If you are to cut a major release, make sure to also update
references to the
<code>@vx</code> branch to the <code>@vx+1</code> branch.</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/jupyterhub/repo2docker-action/commit/774bbb1471e3827c67b0a2730ef3a7a217046d5c"><code>774bbb1</code></a>
Merge pull request <a
href="https://redirect.github.com/jupyterhub/repo2docker-action/issues/122">#122</a>
from jupyterhub/revert-111-jnywong-patch-1</li>
<li><a
href="https://github.com/jupyterhub/repo2docker-action/commit/8a4496586a31b592110f4fdc2c15e7f45699abc3"><code>8a44965</code></a>
Revert &quot;Docker run tests defined in <code>image-tests</code> as
root user&quot;</li>
<li><a
href="https://github.com/jupyterhub/repo2docker-action/commit/d5cbe4f40b4dbc633d54a6b7ee0a21c5f5a8b1a3"><code>d5cbe4f</code></a>
Merge pull request <a
href="https://redirect.github.com/jupyterhub/repo2docker-action/issues/111">#111</a>
from jnywong/jnywong-patch-1</li>
<li><a
href="https://github.com/jupyterhub/repo2docker-action/commit/cb2bb8599938e80319ec5db6ea6ae68aaff2f57e"><code>cb2bb85</code></a>
Merge branch 'master' into jnywong-patch-1</li>
<li><a
href="https://github.com/jupyterhub/repo2docker-action/commit/f107aab48a4b7790385aebfd75e6d4a57afd4590"><code>f107aab</code></a>
docker run tests as root user</li>
<li>See full diff in <a
href="https://github.com/jupyterhub/repo2docker-action/compare/73f40a661223935d94921712083a929474b78a4f...774bbb1471e3827c67b0a2730ef3a7a217046d5c">compare
view</a></li>
</ul>
</details>
<br />


Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

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<details>
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You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
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- `@dependabot close` will close this PR and stop Dependabot recreating
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Dependabot creating any more for this major version (unless you reopen
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</details>

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

.github/workflows/build-binder-image.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: cache binder build on mybinder.org
-        uses: jupyterhub/repo2docker-action@73f40a661223935d94921712083a929474b78a4f
+        uses: jupyterhub/repo2docker-action@774bbb1471e3827c67b0a2730ef3a7a217046d5c
         with:
           NO_PUSH: true
           MYBINDERORG_TAG: ${{ github.event.ref }} # This builds the container on mybinder.org with the branch that was pushed on.