chore: update protobuf to 4.32.0 (#2391)

Author: arjan-bal

.github/workflows/CI.yml

@@ -84,7 +84,7 @@ jobs:
         components: clippy
     - uses: taiki-e/install-action@v2
       with:
-        tool: protoc@3.31.1
+        tool: protoc@3.32.0
     - name: Restore protoc plugin from cache
       id: cache-plugin
       uses: actions/cache@v4
@@ -119,7 +119,7 @@ jobs:
     - uses: taiki-e/install-action@cargo-udeps
     - uses: taiki-e/install-action@v2
       with:
-        tool: protoc@3.31.1
+        tool: protoc@3.32.0
     - name: Restore protoc plugin from cache
       id: cache-plugin
       uses: actions/cache@v4
@@ -153,7 +153,7 @@ jobs:
     - uses: taiki-e/install-action@cargo-hack
     - uses: taiki-e/install-action@v2
       with:
-        tool: protoc@3.31.1
+        tool: protoc@3.32.0
     - name: Restore protoc plugin from cache
       id: cache-plugin
       uses: actions/cache@v4
@@ -206,7 +206,7 @@ jobs:
     - uses: hecrj/setup-rust-action@v2
     - uses: taiki-e/install-action@v2
       with:
-        tool: protoc@3.31.1
+        tool: protoc@3.32.0
     - name: Restore protoc plugin from cache
       id: cache-plugin
       uses: actions/cache@v4
@@ -245,7 +245,7 @@ jobs:
     - uses: hecrj/setup-rust-action@v2
     - uses: taiki-e/install-action@v2
       with:
-        tool: protoc@3.31.1
+        tool: protoc@3.32.0
     - name: Restore protoc plugin from cache
       id: cache-plugin
       uses: actions/cache@v4

interop/Cargo.toml

@@ -32,7 +32,7 @@ grpc = {path = "../grpc"}
 # We also need the protobuf-codegen crate to support configuring the path
 # to the protobuf crate used in the generated message code, instead of
 # defaulting to `::protobuf`.
-protobuf = { version = "4.31.1-release" }
+protobuf = { version = "4.32.0-release" }
 tonic-protobuf = {path = "../tonic-protobuf"}
 
 [build-dependencies]

tonic-protobuf-build/Cargo.toml

@@ -8,5 +8,5 @@ publish = false
 
 [dependencies]
 prettyplease = "0.2.35"
-protobuf-codegen = { version = "4.31.1-release" }
+protobuf-codegen = { version = "4.32.0-release" }
 syn = "2.0.104"

tonic-protobuf-build/src/lib.rs

@@ -95,8 +95,6 @@ impl From<&Dependency> for protobuf_codegen::Dependency {
         protobuf_codegen::Dependency {
             crate_name: val.crate_name.clone(),
             proto_import_paths: val.proto_import_paths.clone(),
-            // The following field is not used by protobuf codegen.
-            c_include_paths: Vec::new(),
             proto_files: val.proto_files.clone(),
         }
     }

tonic-protobuf/Cargo.toml

@@ -9,7 +9,7 @@ publish = false
 [dependencies]
 tonic = { version = "0.14.0", path = "../tonic", default-features = false, features = ["codegen"] }
 bytes = "1"
-protobuf = { version = "4.31.1-release" }
+protobuf = { version = "4.32.0-release" }
 
 [package.metadata.cargo_check_external_types]
 allowed_external_types = [