[clang-tidy] Concatenate nested namespaces (3/7: components i-m) (#16297)

esphome/components/modbus_controller/binary_sensor/modbus_binarysensor.cpp

@@ -1,8 +1,7 @@
 #include "modbus_binarysensor.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace modbus_controller {
+namespace esphome::modbus_controller {
 
 static const char *const TAG = "modbus_controller.binary_sensor";
 
@@ -34,5 +33,4 @@ void ModbusBinarySensor::parse_and_publish(const std::vector<uint8_t> &data) {
   this->publish_state(value);
 }
 
-}  // namespace modbus_controller
-}  // namespace esphome
+}  // namespace esphome::modbus_controller

esphome/components/modbus_controller/binary_sensor/modbus_binarysensor.h

@@ -6,8 +6,7 @@
 
 #include <vector>
 
-namespace esphome {
-namespace modbus_controller {
+namespace esphome::modbus_controller {
 
 class ModbusBinarySensor : public Component, public binary_sensor::BinarySensor, public SensorItem {
  public:
@@ -40,5 +39,4 @@ class ModbusBinarySensor : public Component, public binary_sensor::BinarySensor,
   optional<transform_func_t> transform_func_{nullopt};
 };
 
-}  // namespace modbus_controller
-}  // namespace esphome
+}  // namespace esphome::modbus_controller