Samples (python/23.facebook-events) Fails due to, missing botbuilder-dialogs dependency in the requirements.txt

[MartinLuccanera]

Context

For more information, see the parent issue. #3436.

Sample information

1. Sample type: Samples
2. Sample language: python
3. Sample name: 23.facebook-events

Describe the bug

While testing these bots, we found out that it fails due to missing botbuilder-dialogs dependency in the requirements.txt

Here's a list of all the cases we found

Bots	Status
python/23.facebook-events	• Fails due to, missing botbuilder-dialogs dependency in the requirements.txt.• Adding the dependency to the requirements.txt solved the issue.

Expected behavior

Bots work out the box using the provided deployment templates and configuration.

Actual behavior

Manual installation of required dependency was needed.