Actions: Move all Linux packaging into subdir (#7332)

.github/workflows/hook_copr.yml

@@ -1,38 +0,0 @@
-name: Trigger COPR build
-
-on:
-  workflow_call:
-    secrets:
-      COPR_API_CONFIG:
-    inputs:
-      copr_project:
-        description: COPR project to target
-        required: true
-        type: string
-
-permissions:
-  contents: write
-  packages: write
-
-jobs:
-  build-copr-hook:
-    runs-on: ubuntu-24.04
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: recursive
-          ref: ${{ github.ref }}
-          repository: ${{ github.repository }}
-
-      - name: Trigger COPR build
-        uses: vidplace7/copr-build@main
-        id: copr_build
-        env:
-          COPR_API_TOKEN_CONFIG: ${{ secrets.COPR_API_CONFIG }}
-        with:
-          owner: "@meshtastic"
-          package-name: meshtasticd
-          project-name: ${{ inputs.copr_project }}
-          git-remote: "${{ github.server_url }}/${{ github.repository }}.git"
-          committish: ${{ github.sha }}