feat!: add clean up test environments

[crissto]

Hello!
I'm doing this PR because when I did the integration testing for a project I didn't take into account that sometimes environments get too long to get created and my tests timeout so now we have some environments that should be deleted.
Instead of adding it as a script in the tests I thought it would be useful for future contentful users to add it to this package.

I also updated some dependencies as dependabot doesn't seem to update them? I can remove that commit if we want to stick to the previous versions.

[marcolink]

Sorry - what I meant is:

testUtils.cleanUp()

This should clean up all things created during that test run.

Test Environments
They also need some sort of prefix - it could be the case that we want to delete test environments on a specific space.

[crissto]

Sorry - what I meant is:

testUtils.cleanUp()

This should clean up all things created during that test run.

Test Environments They also need some sort of prefix - it could be the case that we want to delete test environments on a specific space.

Umm I will also add that 👍

I thought about adding a prefix to test environment deletion but decided to go for the regex. If I suppose a prefix I could break someones tests. I guess I could add it by default on env creation also so it is consistent

[marcolink]

Suggested change

	The length of the environment name must be less than 40 characters and the environment will have prefixed a `%`
	The length of the environment name must be less than 40 characters and the environment name will have prefixed a `%`

[marcolink]

Should this maybe first cleanup all test spaces, and then all test environments on the spaces that are still around? 🤔

[marcolink]

I think this is ready to be released 🎉
Make sure you set the right commit message to force a new major version.

@damienxy any comments from your side?