Update build_esp32.yml

change espressif container version to 4.3.7

Author: mocleiri

.github/workflows/build_esp32.yml

@@ -14,7 +14,7 @@ jobs:
   tensorflow_micropython_esp32_build:
     runs-on: ubuntu-latest
     container:
-      image: espressif/idf:v4.3.1
+      image: espressif/idf:relaese-v4.3
     steps:
       - name: setup
         run: |