Include integrity hash in serialized bytes

Cargo.lock

@@ -2745,11 +2745,21 @@ dependencies = [
  "jmap_proto",
  "percent-encoding",
  "rkyv 0.8.10",
+ "store",
  "tokio",
  "trc",
  "utils",
 ]
 
+[[package]]
+name = "gxhash"
+version = "3.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a197c9b654827513cf53842c5c6d3da2b4b35a785f8e0eff78bdf8e445aba1bb"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.26"
@@ -6985,6 +6995,7 @@ dependencies = [
  "flate2",
  "foundationdb",
  "futures",
+ "gxhash",
  "lru-cache",
  "lz4_flex",
  "memchr",