ci: onboard Gitea actions

.gitea/workflows/go.yaml

@@ -0,0 +1,36 @@
+name: Go build
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: '0'
+          lfs: 'true'
+          fetch-tags: 'true'
+      - name: Setup Go 1.21.x
+        uses: actions/setup-go@v4
+        with:
+          # Semantic version range syntax or exact version of Go
+          go-version: '1.21.x'
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+      - name: Install Task
+        uses: arduino/setup-task@v1
+      - run: |
+          go install gotest.tools/gotestsum@latest
+          task test
+      - uses: goreleaser/goreleaser-action@v4
+        if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --clean --snapshot

.gitea/workflows/renovate.yaml

@@ -0,0 +1,21 @@
+name: Renovate
+on:
+  schedule:
+    # The "*" (#42, asterisk) character has special semantics in YAML, so this
+    # string has to be quoted.
+    - cron: '42 3 * * *'
+
+jobs:
+  renovate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: docker://code.icb4dc0.de/prskr/ci-images/renovate:latest
+        with:
+          args: renovate "${{ github.repository }}"
+        env:
+          RENOVATE_TOKEN: ${{ secrets.RENOVATE_TOKEN }}
+          GITHUB_COM_TOKEN: ${{ secrets.RENOVATE_GITHUB_TOKEN }}
+          RENOVATE_PLATFORM: gitea
+          RENOVATE_AUTODISCOVER: "false"
+          RENOVATE_ENDPOINT: https://code.icb4dc0.de/api/v1
+          LOG_LEVEL: info

Taskfile.yml

@@ -40,7 +40,7 @@ tasks:
       - go.sum
     cmds:
       - go mod download
-      - go mod tidy -compat=1.17
+      - go mod tidy -compat=1.21
 
   test:
     sources: