Remove GitHub workflow file

.gitea/workflows/test.yml

@@ -0,0 +1,19 @@
+name: test
+on:
+  push:
+    branches:
+      - main
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    container: gitea/gitea:latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+      - name: Install dependencies
+        run: go mod download
+      - name: Run tests
+        run: go test ./...