Update Rust crate rkyv to v0.8.12 (#16274)

Cargo.lock

@@ -3691,9 +3691,9 @@ dependencies = [
 
 [[package]]
 name = "rkyv"
-version = "0.8.11"
+version = "0.8.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19f5c3e5da784cd8c69d32cdc84673f3204536ca56e1fa01be31a74b92c932ac"
+checksum = "35a640b26f007713818e9a9b65d34da1cf58538207b052916a83d80e43f3ffa4"
 dependencies = [
  "bytecheck",
  "bytes",
@@ -3711,9 +3711,9 @@ dependencies = [
 
 [[package]]
 name = "rkyv_derive"
-version = "0.8.11"
+version = "0.8.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4270433626cffc9c4c1d3707dd681f2a2718d3d7b09ad754bec137acecda8d22"
+checksum = "bd83f5f173ff41e00337d97f6572e416d022ef8a19f371817259ae960324c482"
 dependencies = [
  "proc-macro2",
  "quote",