packages: simplify the setup to use the same as upgrades

the packages tests control which Forgejo version they run against so
they can test a feature on version X+1 and not on version X

.forgejo/workflows/packages.yml

@@ -1,43 +0,0 @@
-on:
-  pull_request:
-  push:
-    branches:
-      - 'main'
-
-jobs:
-  packages:
-    runs-on: self-hosted
-    strategy:
-      matrix:
-        info:
-          - version: v7.0
-            branch: next
-            forgejo: https://codeberg.org
-            repo: forgejo-experimental/forgejo
-            tests: ${{ vars.V7_0_TESTS }}
-          - version: v1.21
-            forgejo: https://codeberg.org
-            repo: forgejo/forgejo
-            tests: ${{ vars.V1_21_TESTS }}
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: https://code.forgejo.org/actions/setup-forgejo@v2
-        with:
-          install-only: true
-
-      - name: run
-        if: matrix.info.tests != 'none'
-        shell: bash
-        run: |
-          set -x
-          forgejo-binary.sh ensure_user forgejo
-          full_version=$(curl -sS ${{ matrix.info.forgejo }}/api/v1/repos/${{ matrix.info.repo }}/releases | jq -r '.[] | .tag_name | select(startswith("${{ matrix.info.version }}"))' | sort -r | head -1)
-          binary=${{ matrix.info.forgejo }}/${{ matrix.info.repo }}/releases/download/${full_version}/forgejo-${full_version#v}-linux-amd64
-
-          export DIR=$(mktemp -d)
-          chown forgejo $DIR /srv
-
-          export VERBOSE="${{ vars.VERBOSE || false }}"
-
-          su -c "packages/run.sh $binary $full_version ${{ matrix.info.version }} ${{ matrix.info.tests }}" forgejo

.forgejo/workflows/upgrade.yml

@@ -31,8 +31,11 @@ jobs:
         with:
           go-version: "1.21"
       - run: |
+          apt-get update -qq
+          apt-get -q install -qq -y docker.io
           git config --add safe.directory '*'
           adduser --quiet --comment forgejo --disabled-password forgejo
+          adduser forgejo docker
           chown -R forgejo:forgejo .
       - run: |
           script=$(pwd)/forgejo/upgrades/test-upgrade.sh