Upgrade plain-HTTP links to HTTPS in Cargo.toml files

Author: Benjins

Cargo.toml

@@ -9,7 +9,7 @@ keywords = ["allocator", "no_std", "malloc", "heap", "kernel"]
 
 repository = "https://github.com/phil-opp/linked-list-allocator"
 documentation = "https://docs.rs/crate/linked_list_allocator"
-homepage = "http://os.phil-opp.com/kernel-heap.html#a-better-allocator"
+homepage = "https://os.phil-opp.com/kernel-heap.html#a-better-allocator"
 
 rust-version = "1.61"