go.mod: Update google.golang.org/grpc and its dependencies

Also update the other places where specific versions are referenced
and recompile the protos.

PiperOrigin-RevId: 716217088

fleetspeak/generate_protos.sh

@@ -3,6 +3,23 @@ set -e
 
 echo 'Transpiling required protos to Go and Python.'
 
+if [[ "$(python -m grpc_tools.protoc --version)" != "libprotoc 26.1" ]]; then
+  echo "Wrong grpc_tools.protoc version"
+  exit 1
+fi
+
+if [[ "$(protoc-gen-go --version)" != "protoc-gen-go v1.35.1" ]]; then
+  echo "Wrong protoc-gen-go version, please run:"
+  echo "$ go install google.golang.org/protobuf/cmd/[email protected]"
+  exit 1
+fi
+
+if [[ "$(protoc-gen-go-grpc --version)" != "protoc-gen-go-grpc 1.5.1" ]]; then
+  echo "Wrong protoc-gen-go-grpc version, please run:"
+  echo "$ go install google.golang.org/grpc/cmd/[email protected]"
+  exit 1
+fi
+
 # Go to this script's directory.
 cd "$(/usr/bin/dirname "$(/bin/readlink -e "${0}")")"
 

fleetspeak/generate_protos_setup.sh

@@ -2,8 +2,8 @@
 set -e
 
 PROTOC_VER="26.1" # https://github.com/protocolbuffers/protobuf/releases
-GEN_GO_VER="1.34.1" # https://pkg.go.dev/google.golang.org/protobuf/cmd/protoc-gen-go?tab=versions
-GEN_GO_GRPC_VER="1.4.0" # https://pkg.go.dev/google.golang.org/grpc/cmd/protoc-gen-go-grpc?tab=versions
+GEN_GO_VER="1.35.1" # https://pkg.go.dev/google.golang.org/protobuf/cmd/protoc-gen-go?tab=versions
+GEN_GO_GRPC_VER="1.5.1" # https://pkg.go.dev/google.golang.org/grpc/cmd/protoc-gen-go-grpc?tab=versions
 
 function err() {
   echo "$*" >&2