build(ci): update image build workflows and imager JSON generation

Refactor the GitHub Actions build workflow to include a new LVA build job
and update image naming conventions for 2MicHat-v1.

Refactor the `generate-imager-json.py` script to improve modularity and
support new hardware types, including 2MicHat-v1.

Author: florian-asche

.github/workflows/build-all.yml

@@ -22,11 +22,19 @@ jobs:
       compression-level: 6
       custom-hostname: picompose
 
+  build-lva:
+    uses: ./.github/workflows/build-image-template.yml
+    with:
+      image-name: PiCompose_Linux-Voice-Assistant
+      stage-list: stage0 stage1 stage2 ./01-stage-picompose ./02-stage-audiodriver-other ./03-stage-linux-voice-assistant ./04-stage-finish
+      compression: zip
+      compression-level: 6
+      custom-hostname: picompose
   # 2MICHAT-v1
   build-2michat:
     uses: ./.github/workflows/build-image-template.yml
     with:
-      image-name: PiCompose-2MicHat
+      image-name: PiCompose-2MicHat-v1
       stage-list: stage0 stage1 stage2 ./01-stage-picompose ./02-stage-audiodriver-2michat-v1 ./04-stage-finish
       compression: xz
       compression-level: 6
@@ -35,7 +43,7 @@ jobs:
   build-2michat-lva:
     uses: ./.github/workflows/build-image-template.yml
     with:
-      image-name: PiCompose_2MicHat_Linux-Voice-Assistant
+      image-name: PiCompose_2MicHat-v1_Linux-Voice-Assistant
       stage-list: stage0 stage1 stage2 ./01-stage-picompose ./02-stage-audiodriver-2michat-v1 ./03-stage-linux-voice-assistant ./04-stage-finish
       compression: xz
       compression-level: 6
@@ -54,7 +62,7 @@ jobs:
   build-respeaker_lite-lva:
     uses: ./.github/workflows/build-image-template.yml
     with:
-      image-name: PiCompose_Respeaker-lite_Linux-Voice-Assistant
+      image-name: PiCompose_Respeaker_lite_Linux-Voice-Assistant
       stage-list: stage0 stage1 stage2 ./01-stage-picompose ./02-stage-audiodriver-respeaker_lite ./03-stage-linux-voice-assistant ./04-stage-finish
       compression: xz
       compression-level: 6