feat(actions): added k3d test to CI workflow on push

.forgejo/workflows/validate.yaml

@@ -24,3 +24,23 @@ jobs:
             -schema-location default \
             -schema-location 'https://raw.githubusercontent.com/datreeio/CRDs-catalog/main/{{.Group}}/{{.ResourceKind}}_{{.ResourceAPIVersion}}.json' \
             ./manifests/
+      - name: Install k3d
+        run: |
+          wget -O- https://raw.githubusercontent.com/k3d-io/k3d/main/install.sh | sh
+
+      - name: Create test cluster
+        run: |
+          k3s cluster create test --wait
+          kubectl cluster-info
+
+      - name: Apply manifests
+        run: |
+          kubectl apply -f manifests/ --recursive
+
+      - name: Wait for deployments
+        run: |
+          kubectl wait --for=condition=available --timeout=120s deployment --all --all-namespaces
+      - name: Cleanup
+        if: always()
+        run: |
+          k3d cluster delete test