fix: use Python 3.12 to execute esphome configuration check

use base64 encoded string as esp8266-01.api.encryption_key value in fake secrets

.github/workflows/home-assistant.yaml

@@ -35,10 +35,10 @@ jobs:
     steps:
       - name: ⤵️ Check out configuration from GitHub
         uses: actions/[email protected]
-      - name: Set up Python 3.7
+      - name: Set up Python 3.12
         uses: actions/setup-python@v5
         with:
-          python-version: 3.7
+          python-version: 3.12
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools wheel
@@ -50,4 +50,4 @@ jobs:
       - name: Run esphome on all files
         # yamllint disable rule:line-length
         run: |
-          for file in $(find ./esphome -type f -name "*.yaml" -maxdepth 1 -not -name "secrets.yaml"); do esphome "${file}" config; done
+          for file in $(find ./esphome -type f -name "*.yaml" -maxdepth 1 -not -name "secrets.yaml"); do esphome config "${file}"; done

secrets.fake.yaml

@@ -71,6 +71,6 @@ google_assistant.client_x509_cert_url: "https://www.googleapis.com/0000000000000
 wifi.ssid: ssid
 wifi.password: password
 
-esp8266-01.api.encryption_key: encryption_key
+esp8266-01.api.encryption_key: ZXNwODI2Ni0wMS5hcGkuZW5jcnlwdGlvbl9rZXk=
 esp8266-01.ota.password: ota_password
 esp8266-01.wifi.ap.password: ap_password