Remove arm32 (#5935)

* remove references to 32bit arm

* scheduled build to maintain actions cache

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
         with:
           context: .
           push: true
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          platforms: linux/amd64,linux/arm64
           target: frigate
           tags: |
             ghcr.io/${{ steps.lowercaseRepo.outputs.lowercase }}:${{ github.ref_name }}-${{ env.SHORT_SHA }}

.github/workflows/maintain_cache.yml

@@ -0,0 +1,45 @@
+name: Maintain Cache
+
+on:
+  schedule:
+    - cron: "13 0 * * 0,4"
+
+env:
+  PYTHON_VERSION: 3.9
+
+jobs:
+  multi_arch_build:
+    runs-on: ubuntu-latest
+    name: Image Build
+    steps:
+      - name: Remove unnecessary files
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+      - id: lowercaseRepo
+        uses: ASzc/change-string-case-action@v5
+        with:
+          string: ${{ github.repository }}
+      - name: Check out code
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Log in to the Container registry
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create version file
+        run: make version
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: false
+          platforms: linux/amd64,linux/arm64
+          target: frigate
+          cache-from: type=gha