feat(buffer): add allocator-backed storage

Signed-off-by: Nicholas Gates <nick@nickgates.com>

Author: gatesn

Cargo.lock

@@ -117,6 +117,7 @@ async-fs = "2.2.0"
 async-lock = "3.4"
 async-stream = "0.3.6"
 async-trait = "0.1.89"
+allocator-api2 = "0.2.21"
 base16ct = "1.0.0"
 bigdecimal = "0.4.8"
 bindgen = "0.72.0"

Cargo.toml

@@ -23,6 +23,7 @@ serde = ["dep:serde", "serde/serde_derive"]
 warn-copy = ["dep:tracing"]
 
 [dependencies]
+allocator-api2 = { workspace = true }
 arrow-buffer = { workspace = true }
 bitvec = { workspace = true }
 bytes = { workspace = true }