1.34 doesn't have PHP 8 polyfills, nor does it require PHP >= 8.0
Follows-Up: Ibc0cbe5f7f14bd56d4e126fa7ed183a807d9a99c
Change-Id: I3aed519a755c5b4812c5c2d21dafb04e7f376884
* Turn HSTSPreloadLookup into a real service, per @todo
* Convert Hooks into a non-static class, take lookup as an argument
* Update tests for new calling style
== Test plan ==
* CI/tests pass
* Use Special:ExpandTemplates with a preloaded domain and localhost,
observe preloaded link changes, localhost stays http
Bug: T271027
Change-Id: I0196350e85c09eedfba4dbf1dab81f9a757b2a12
