Summary:
Trying to use `static` expressions without the `-XStaticPointers`
extension enabled can lead to runtime errors. Normally, such a situation isn't
possible, but Template Haskell provides a backdoor that allows it to happen,
as shown in #14204.

To prevent this, we ensure that `-XStaticPointers` is enabled when renaming
`static` expressions.

Test Plan: make test TEST=T14204

Reviewers: facundominguez, austin, bgamari, simonpj

Reviewed By: facundominguez, simonpj

Subscribers: simonpj, rwbarton, thomie

GHC Trac Issues: #14204

Differential Revision: https://phabricator.haskell.org/D3931