Add no-deprecated-props rule

[broccolinisoup]

Based on our team discussion about deprecating props that are related to accessibility changes, seems like introducing a complementary eslint rule to enforce the new API (not using the deprecated prop) is a practise worth trying.

This rule has a generic name but it only handles ActionList.Group title prop (for now). I am not sure if I should make this as generic as its name suggests i.e. adding a deprecated props and suggested fix lists so that we can enhance later or should I rename this to be only specific to ActionList.Group title prop. I am not sure which way would be better. I would love your opinions.

TODO: Ad docs and related config after getting initial feedback.

Old API

<ActionList>
  <ActionList.Group title="Group title">...</ActionList.Group>
</ActionList>

New API

<ActionList>
  <ActionList.Group>
    <ActionList.GroupHeading>Group title<ActionList.GroupHeading>
  </ActionList.Group>
</ActionList>

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Latest commit: e7d2216

The changes in this PR will be included in the next version bump.

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Name	Type
eslint-plugin-primer-react	Minor

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[siddharthkp]

I think it's totally fine to make this one rule and keep adding to it. We can always break it up later if we need to.