Merge #1459

1459: Configure Renovate r=mythmon a=renovate[bot]

<p>Welcome to <a href="https://renovatebot.com">Renovate</a>! This is an onboarding PR to help you understand and configure settings before regular Pull Requests begin.</p>
<p>🚦 To activate Renovate, merge this Pull Request. To disable Renovate, simply close this Pull Request unmerged.</p>
<hr />
<h3 id="detected-package-files">Detected Package Files</h3>
<ul>
<li><code>.circleci/config.yml</code> (circleci)</li>
<li><code>ci/docker-compose.yml</code> (docker-compose)</li>
<li><code>Dockerfile</code> (dockerfile)</li>
<li><code>client/actions/console-log/package.json</code> (npm)</li>
<li><code>client/actions/opt-out-study/package.json</code> (npm)</li>
<li><code>client/actions/preference-experiment/package.json</code> (npm)</li>
<li><code>client/actions/show-heartbeat/package.json</code> (npm)</li>
<li><code>package.json</code> (npm)</li>
</ul>
<h3 id="configuration">Configuration</h3>
<p>🔡 Renovate has detected a custom config for this PR. Feel free to post it to the <a href="https://renovatebot.com/gh/renovatebot/config-help/issues">Config Help repository</a> if you have any doubts and would like it reviewed.</p>
<p>⚠️ This PR has a merge conflict, however Renovate is unable to automatically fix that due to edits in this branch. Please resolve the merge conflict manually.</p>
<h3 id="what-to-expect">What to Expect</h3>
<p>With your current configuration, Renovate will create 39 Pull Requests:</p>
<p>

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Peter Bengtsson <mail@peterbe.com>

renovate.json

@@ -0,0 +1,11 @@
+{
+  "extends": ["config:base"],
+  "docker-compose": {
+    "digest": {
+      "enabled": false
+    }
+  },
+  "dockerfile": {
+    "pinDigests": true
+  }
+}