title: Unable to install nginx-module-image-filter
body: <p>I'm running an Ubuntu 20.04 server and got an error while trying to run <code>apt install nginx-module-image-filter</code>:</p>
  <pre><code>The following packages have unmet dependencies:
  nginx-module-image-filter : Depends: nginx-r1.18.0
  </code></pre>
  <p>Running <code>nginx -v</code>:</p>
  <pre><code>nginx version: nginx/1.18.0 (Ubuntu)
  </code></pre>