ci: drop GitHub workflows; Forgejo Actions only

.github/workflows/release.yml

@@ -1,51 +0,0 @@
-name: release
-
-on:
-  push:
-    tags:
-      - "v*"
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
-
-      - uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff
-        with:
-          go-version-file: go.mod
-          cache: true
-
-      - name: Test
-        run: go test ./...
-
-      - name: Build release artifacts
-        run: make release VERSION="$GITHUB_REF_NAME" COMMIT="${GITHUB_SHA::7}"
-
-      - name: Upload artifacts
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
-        with:
-          name: magpie-${{ github.ref_name }}
-          path: dist/*
-
-  publish:
-    if: startsWith(github.ref, 'refs/tags/')
-    needs: build
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - name: Download artifacts
-        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
-        with:
-          name: magpie-${{ github.ref_name }}
-          path: dist
-
-      - name: Publish GitHub release
-        uses: softprops/action-gh-release@3bb12739c298aeb8a4eeaf626c5b8d85266b0e65
-        with:
-          files: dist/*