feat(v12): support for HelloRadioSky V12 (#7114)

Co-authored-by: Peter Feerick <5500713+pfeerick@users.noreply.github.com>
Co-authored-by: radiosky <839034809@qq.com>
Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>

.github/workflows/build_fw.yml

@@ -49,6 +49,7 @@ jobs:
           - pa01
           - t22
           - c14
+          - v12
     container:
       image: ghcr.io/edgetx/edgetx-dev:latest
       volumes:
@@ -95,6 +96,7 @@ jobs:
           - tx16smk3;t14;t15pro
           - t22
           - c14
+          - v12
     container:
       image: ghcr.io/edgetx/edgetx-dev:latest
       volumes:

.github/workflows/nightly.yml

@@ -40,6 +40,7 @@ jobs:
           - c14
           - tx15
           - t15pro
+          - v12
     container:
       image: ghcr.io/edgetx/edgetx-dev:latest
       volumes: