third-party: rust: upgrade to memmap2 0.9.5

Summary: We are using quite an old version (0.5.1). Also want to be able to use `.huge` to experiment with `MAP_HUGETLB`.

Reviewed By: asp2insp

Differential Revision: D75108717

fbshipit-source-id: fcb73c8d95f12dcda7d7af8e7a2c763fe1919707

Author: opsound

below/store/Cargo.toml

@@ -16,7 +16,7 @@ bytes = { version = "1.9.0", features = ["serde"] }
 common = { package = "below-common", version = "0.9.0", path = "../common" }
 humantime = "2.1"
 maplit = "1.0"
-memmap2 = "0.5.10"
+memmap2 = "0.9.5"
 model = { package = "below-model", version = "0.9.0", path = "../model" }
 nix = { version = "0.29.0", features = ["dir", "event", "hostname", "inotify", "ioctl", "mman", "mount", "net", "poll", "ptrace", "reboot", "resource", "sched", "signal", "term", "time", "user", "zerocopy"] }
 serde = { version = "1.0.185", features = ["derive", "rc"] }