Bump linked_list_allocator in /19_kernel_heap/kernel

Bumps [linked_list_allocator](https://github.com/phil-opp/linked-list-allocator) from 0.9.1 to 0.10.2.
- [Release notes](https://github.com/phil-opp/linked-list-allocator/releases)
- [Changelog](https://github.com/rust-osdev/linked-list-allocator/blob/main/Changelog.md)
- [Commits](https://github.com/phil-opp/linked-list-allocator/compare/v0.9.1...v0.10.2)

---
updated-dependencies:
- dependency-name: linked_list_allocator
  dependency-type: indirect
...

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

19_kernel_heap/kernel/Cargo.lock

@@ -17,9 +17,9 @@ version = "0.1.0"
 
 [[package]]
 name = "linked_list_allocator"
-version = "0.9.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "549ce1740e46b291953c4340adcd74c59bcf4308f4cac050fd33ba91b7168f4a"
+checksum = "e98908d64cd118e4a3fb26803bd2aef3e7796f1d494517c89b8fea19b92b8c12"
 
 [[package]]
 name = "mingo"