release: Update ordering for drivers target

[yeazelm]

The drivers target should be before we apply settings so we can enforce lockdown for the kernel after they are loaded.

Related to Issue number: bottlerocket-os/bottlerocket#4218 (comment)

Description of changes:
Updates the drivers.target to be Before settings are applied. Related to bottlerocket-os/bottlerocket-kernel-kit#321

Testing done:
Confirmed the target works as expected:

bash-5.1# journalctl -u drivers.target
Nov 18 01:10:13 localhost systemd[1]: Reached target Driver units.
bash-5.1# systemctl status drivers.target
● drivers.target - Driver units
     Loaded: loaded (/x86_64-bottlerocket-linux-gnu/sys-root/usr/lib/systemd/system/drivers.target; enabled; preset: enabled)
     Active: active since Tue 2025-11-18 01:10:13 UTC; 2h 26min ago

Nov 18 01:10:13 localhost systemd[1]: Reached target Driver units.

Terms of contribution:

By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.

[cbgbt]

It might be good to add a comment explaining why this must go before settings-applier service, but the change lgtm!