Update driverkit requirement from 0.24 to 0.25 in /kernel

Updates the requirements on [driverkit](https://github.com/gz/rust-driverkit) to permit the latest version.
- [Release notes](https://github.com/gz/rust-driverkit/releases)
- [Commits](https://github.com/gz/rust-driverkit/commits/0.25.0)

---
updated-dependencies:
- dependency-name: driverkit
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

kernel/Cargo.toml

@@ -23,7 +23,7 @@ vmxnet3 = { path = "../lib/vmxnet3" }
 bootloader_shared = { path = "../lib/bootloader_shared" }
 x86 = { version = "0.52", features = ["unstable"] }
 klogger = "0.0.16"
-driverkit = "0.24"
+driverkit = "0.25"
 spin = "0.9.1"
 elfloader = "0.14"
 slabmalloc = "0.10"