Use canonical/observability publish script

.github/workflows/publish.yml

@@ -6,78 +6,6 @@ on:
       - main
 
 jobs:
-  pack-charm:
-    name: Prepare charm for upload
-    runs-on: ubuntu-24.04
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup LXD
-        uses: canonical/setup-lxd@main
-
-      - name: Install charmcraft
-        run: sudo snap install charmcraft --classic
-
-      - name: Pack charm
-        run: charmcraft pack -v
-
-      - name: Upload charm artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
-        with:
-          name: charm
-          path: ./*.charm
-
-  define-matrix:
-    name: Define charms upload matrix
-    runs-on: ubuntu-24.04
-    needs:
-      - pack-charm
-    outputs:
-      charms: ${{ steps.charms.outputs.charms }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Download charm artifact(s)
-        uses: actions/download-artifact@v4
-        with:
-          name: charm
-
-      - name: Generate matrix list
-        id: charms
-        run: |
-          list="$(ls *.charm | jq -r -ncR '[input]')"
-          echo "charms=$list"
-          echo "charms=$list" >> $GITHUB_OUTPUT
-
-  publish-to-edge:
-    name: Release to CharmHub
-    runs-on: ubuntu-24.04
-    needs:
-      - define-matrix
-    strategy:
-      matrix:
-        charm: ${{ fromJSON(needs.define-matrix.outputs.charms) }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Select charmhub channel
-        id: channel
-        uses: canonical/charming-actions/channel@2.7.0
-
-      - name: Download charm artifact(s)
-        uses: actions/download-artifact@v4
-        with:
-          name: charm
-
-      - name: Upload charm to charmhub
-        uses: canonical/charming-actions/upload-charm@2.7.0
-        with:
-          credentials: "${{ secrets.CHARMHUB_TOKEN }}"
-          github-token: "${{ secrets.GITHUB_TOKEN }}"
-          channel: "${{ steps.channel.outputs.name }}"
-          built-charm-path: "${{ matrix.charm }}"
+  release:
+    uses: canonical/observability/.github/workflows/charm-release.yaml@v1
+    secrets: inherit