Update redux-form to 7.1.X

[mauchede]

Hello,

We have some warnings on api-platform/admin due to redux-form.

Update redux-form to (at least) 7.1.0 resolves the problem (I used 7.1.1 because 7.1.0 had a problem with immutablejs).

According to your version policy, I kept tilde for version range.

[fzaninotto]

I'm not sure we'll merge this, as we're limiting updates on the master branch.

[mauchede]

I understand you want to be focus on next branch. But the warnings are very noisy: on Travis we have more "warning" lines than "legit" lines. Your project also has the problem but it is printed only once

We have only two possibilities:

• run Jest with --silent flag.
• force npm / yarn to retrieve a fixed version.

Unfortunately, these solutions are not acceptable.

This fix will give some time for all projects that depending of admin-on-rest (like our project) to prepare the update to next version.

By the way, the problem is also present on next. If you wish, I can make another PR for next branch.

[fzaninotto]

Thanks

[mauchede]

Thank you for merging!