ci(gitea): add validation and release workflows

.gitea/workflows/pr-validation.yml

@@ -0,0 +1,26 @@
+name: Pull Request Validation
+
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Run full unit test suite
+        run: go test ./...
+
+      - name: Run behavior suite
+        run: ./script/run-behavior-suite-docker.sh