Update build workflow to use official Zephyr setup action and restrict OS matrix to Windows

Author: andre-stefanov

.github/actions/setup-zephyr/action.yml

@@ -11,33 +11,41 @@ permissions:
 
 jobs:
   build:
-    name: Build app and tests
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, macos-26, windows-2022]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
+
+    steps:
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      # Checkout into a short path to avoid Windows MAX_PATH issues
+      - uses: actions/checkout@v4
         with:
-          path: OpenAstroFocuser
-          persist-credentials: false
+          path: OAF
 
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: 3.12
 
-      - name: Setup Zephyr project
-        uses: ./OpenAstroFocuser/.github/actions/setup-zephyr
+      # Setup Zephyr
+      - name: Setup Zephyr
+        uses: zephyrproject-rtos/action-zephyr-setup@v1
         with:
-          app-path: OpenAstroFocuser
+          app-path: 'OAF'
           toolchains: arm-zephyr-eabi:xtensa-espressif_esp32s3_zephyr-elf
-          ccache-cache-key: ${{ matrix.os }}
 
       - name: Build firmware
-        working-directory: OpenAstroFocuser
+        working-directory: OAF
         shell: bash
         run: |
           if [ "${{ runner.os }}" = "Windows" ]; then
@@ -46,10 +54,10 @@ jobs:
           west twister -T app -v --inline-logs --integration $EXTRA_TWISTER_FLAGS
 
       - name: Twister Tests
-        working-directory: OpenAstroFocuser
+        working-directory: OAF
         shell: bash
         run: |
           if [ "${{ runner.os }}" = "Windows" ]; then
             EXTRA_TWISTER_FLAGS="--short-build-path -O/tmp/twister-out"
           fi
-          west twister -T tests -v --inline-logs --integration $EXTRA_TWISTER_FLAGS
+          west twister -T tests -v --inline-logs --integration $EXTRA_TWISTER_FLAGS