title: Facing Issue with Azure function binding types
body: <p>In our project previously Azure Function was  using .NET Framework 4.6.1 and runtime version is ~1.
  While deploying the same code to new app service and by default the runtime version comes with 3.0.15417.0 and .netcore3.0.
  While publishing we are facing the below issue and if I click yes and continue app gets published. But app in portal wont work so reverted the change to version ~3.
  We are using blob triggers and the send grid.<a href="https://i.stack.imgur.com/4jt7T.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4jt7T.png" alt="enter image description here" /></a>.
  And could see The binding type(s) 'blob rigger, blob' are not registered. Please ensure the type is correct and the binding extension is installed.</p>
  <p><a href="https://i.stack.imgur.com/NrDQ5.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NrDQ5.png" alt="enter image description here" /></a></p>
  <pre><code>host.json
  {
    &quot;version&quot;: &quot;2.0&quot;,
    &quot;extension Bundle&quot;: {
      &quot;id&quot;: &quot;Microsoft.Azure.Functions.ExtensionBundle&quot;,
      &quot;version&quot;: &quot;[1.*, 2.0.0)&quot;
    }
  }
  </code></pre>