chore: release 4.0.0

[release-please]

🤖 I have created a release *beep* *boop*

4.0.0 (2020-12-08)

⚠ BREAKING CHANGES

• The exclusions have had their state location changed and will be recreated (this is a no-op).

Features

• Make exclude_folders and exclude_projects use sets and use for_each to avoid unnecessary resource updates (#32) (5d552af)

Bug Fixes

• relax version constraints to enable terraform 0.13.x compatibility (#37) (d29507e)
• use correct module names in documentation (#30) (235338d)

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This PR was generated with Release Please.

[morgante]

Need:

• Upgrade guide (like example)
• Testing and possible script for state migration

[MajorBreakfast]

When can we expect a release? I'm already looking forward to using the new version :)

[morgante]

@MajorBreakfast We can't release until there's an upgrade guide.

[MajorBreakfast]

We can't release until there's an upgrade guide.

I think that no code changes are required. An upgrade will, as mentioned in the post above, move some resources in the state. However, there are no actions developers need to perform on their code.