fix: c3 wakeword not working with esp-sr 2.1.5

Author: 78

main/idf_component.yml

@@ -19,7 +19,7 @@ dependencies:
   78/xiaozhi-fonts: ~1.4.0
   espressif/led_strip: ^2.5.5
   espressif/esp_codec_dev: ~1.3.6
-  espressif/esp-sr: ~2.1.4
+  espressif/esp-sr: ==2.1.4
   espressif/button: ~4.1.3
   espressif/knob: ^1.0.0
   espressif/esp32-camera: ^2.0.15