forgejo: enable build.yml for Forge

.forgejo/workflows/build.yml

@@ -1,22 +1,24 @@
 name: Kernel Build
 
-on: pull_request
+on: push
 
 jobs:
   build:
     name: Build
-    runs-on: [self-hosted]
+    runs-on: aarch64
+    container:
+      image: debian:bookworm
     if: ${{ !contains(github.event.head_commit.message, 'skip ci') }}
     steps:
-    - name: Clean Workspace
-      run: rm -rf *.deb *.ddeb *.build *.buildinfo *.changes
+    - name: Setup build environment
+      run: apt install devscripts debhelper equivs git nodejs sudo
     - name: Checkout Sources
       uses: actions/checkout@v3
       with:
           submodules: recursive
           path: pve-port-kernel
-    - name: Clean Repository
-      run: git -C pve-port-kernel submodule foreach git clean -ffdx
+    - name: Setup build depends
+      run: sudo mk-build-deps -i
     - name: Build Kernel
       run: |
         rm -rf *.deb *.ddeb *.build *.buildinfo *.changes