zcash_client_backend: Migrate to `prost 0.12`, `tonic 0.10`

zcash_client_backend/CHANGELOG.md

@@ -58,7 +58,8 @@ and this library adheres to Rust's notion of
 ### Changed
 - MSRV is now 1.65.0.
 - Bumped dependencies to `hdwallet 0.4`, `zcash_primitives 0.13`, `zcash_note_encryption 0.4`,
-  `incrementalmerkletree 0.4`, `orchard 0.5`, `bs58 0.5`, `tempfile 3.5.0`
+  `incrementalmerkletree 0.4`, `orchard 0.5`, `bs58 0.5`, `tempfile 3.5.0`, `prost 0.12`,
+  `tonic 0.10`.
 - `zcash_client_backend::data_api`:
   - `WalletRead::TxRef` has been removed in favor of consistently using `TxId` instead.
   - `WalletRead::get_transaction` now takes a `TxId` as its argument.

zcash_client_backend/Cargo.toml

@@ -46,8 +46,8 @@ tracing = "0.1"
 
 # - Protobuf interfaces and gRPC bindings
 hex = "0.4"
-prost = "0.11"
-tonic = { version = "0.9", optional = true }
+prost = "0.12"
+tonic = { version = "0.10", optional = true }
 
 # - Secret management
 secrecy = "0.8"
@@ -75,7 +75,7 @@ crossbeam-channel = "0.5"
 rayon = "1.5"
 
 [build-dependencies]
-tonic-build = "0.9"
+tonic-build = "0.10"
 which = "4"
 
 [dev-dependencies]

zcash_client_sqlite/CHANGELOG.md

@@ -19,7 +19,7 @@ and this library adheres to Rust's notion of
 ### Changed
 - MSRV is now 1.65.0.
 - Bumped dependencies to `hdwallet 0.4`, `incrementalmerkletree 0.4`, `bs58 0.5`,
-  `zcash_primitives 0.12`
+  `zcash_primitives 0.12`, `prost 0.12`.
 - A `CommitmentTree` variant has been added to `zcash_client_sqlite::wallet::init::WalletMigrationError`
 - `min_confirmations` parameter values are now more strongly enforced. Previously,
   a note could be spent with fewer than `min_confirmations` confirmations if the

zcash_client_sqlite/Cargo.toml

@@ -31,7 +31,7 @@ tracing = "0.1"
 
 # - Serialization
 byteorder = "1"
-prost = "0.11"
+prost = "0.12"
 group = "0.13"
 jubjub = "0.10"