Add GitHub Actions workflow

.github/workflows/main.yml

@@ -0,0 +1,39 @@
+name: Build and release package
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  build:
+    name: Build and release package
+    runs-on: ubuntu-latest
+
+    outputs:
+      package_version: ${{ steps.get_version.outputs.PACKAGE_VERSION }}
+
+    steps:
+      - name: Checkout repository
+        id: checkout_repository
+        uses: actions/checkout@v4
+
+      - name: Build package
+        id: build_package
+        uses: jtdor/build-deb-action@v1
+        env:
+          DEB_BUILD_OPTIONS: noautodbgsym
+        with:
+          buildpackage-opts: -us -uc -b
+
+      - name: Get package version
+        id: get_version
+        run: echo "PACKAGE_VERSION=$(echo debian/artifacts/fake-proxmox-subscription_*_all.deb | awk -F'[_]' '{ print $2 }')" >> $GITHUB_OUTPUT
+
+      - name: Publish release
+        id: publish_release
+        uses: ncipollo/release-action@v1
+        if: github.ref_type == 'tag'
+        with:
+          name: v${{ steps.get_version.outputs.package_version }}
+          artifacts: debian/artifacts/fake-proxmox-subscription_${{ steps.get_version.outputs.package_version }}_all.deb