meshtasticd flatpak: Include pio deps with release (#6025)

.github/workflows/package_pio_deps.yml

@@ -0,0 +1,64 @@
+name: Package PlatformIO Library Dependencies
+# trunk-ignore-all(checkov/CKV_GHA_7): Allow workflow_dispatch inputs for testing
+
+on:
+  workflow_call:
+    inputs:
+      pio_env:
+        description: PlatformIO environment to target
+        required: true
+        type: string
+  workflow_dispatch:
+    inputs:
+      pio_env:
+        description: PlatformIO environment to target
+        required: true
+        type: string
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  pkg-pio-libdeps:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          ref: ${{github.event.pull_request.head.ref}}
+          repository: ${{github.event.pull_request.head.repo.full_name}}
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+
+      - name: Install deps
+        shell: bash
+        run: |
+          pip install platformio
+
+      - name: Get release version string
+        run: |
+          echo "long=$(./bin/buildinfo.py long)" >> $GITHUB_OUTPUT
+        id: version
+
+      - name: Fetch libdeps
+        shell: bash
+        run: |-
+          platformio pkg install -e ${{ inputs.pio_env }}
+          platformio pkg install -e ${{ inputs.pio_env }} -t platformio/tool-scons@4.40502.0
+        env:
+          PLATFORMIO_LIBDEPS_DIR: pio/libdeps
+          PLATFORMIO_PACKAGES_DIR: pio/packages
+          PLATFORMIO_CORE_DIR: pio/core
+
+      - name: Store binaries as an artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: platformio-deps-${{ inputs.pio_env }}-${{ steps.version.outputs.long }}
+          overwrite: true
+          path: |
+            pio/*