[feat] update allocator version to support alloc_pages_at

Author: hky1999

Cargo.lock

@@ -21,4 +21,4 @@ cfg-if = "1.0"
 kspin = "0.1"
 memory_addr = "0.3"
 axerrno = "0.1"
-allocator = { path = "../../../arceos-crates/allocator", features = ["bitmap", "page-alloc-64g"] }
+allocator = { git = "https://github.com/arceos-org/allocator.git", tag = "v0.1.1", features = ["bitmap", "page-alloc-64g"] }