chore: test EdgeTX/build-edgetx#29 build container

Author: pfeerick

.github/workflows/actions.yml

@@ -74,7 +74,7 @@ jobs:
           - nb4p
           - st16
     container:
-      image: ghcr.io/edgetx/edgetx-dev:latest
+      image: ghcr.io/edgetx/edgetx-dev:pr-29
       volumes:
         - ${{ github.workspace }}:/src
     steps:
@@ -121,7 +121,7 @@ jobs:
           - nb4p
           - st16
     container:
-      image: ghcr.io/edgetx/edgetx-dev:latest
+      image: ghcr.io/edgetx/edgetx-dev:pr-29
       volumes:
         - ${{ github.workspace }}:/src
     steps:

.github/workflows/linux_cpn.yml

@@ -29,7 +29,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/edgetx/edgetx-dev:latest
+      image: ghcr.io/edgetx/edgetx-dev:pr-29
       volumes:
         - ${{ github.workspace }}:/src