docs: 完善开发与测试环境

.github/workflows/test-e2e.yml

@@ -1,5 +1,8 @@
 name: E2E Tests
 
+env:
+  KIND_VERSION: v0.33.0
+
 on:
   push:
     branches:
@@ -26,10 +29,10 @@ jobs:
         with:
           go-version-file: go.mod
 
-      - name: Install the latest version of kind
+      - name: Install kind
         run: |
           mkdir -p ./bin
-          curl -Lo ./bin/kind https://kind.sigs.k8s.io/dl/latest/kind-linux-$(go env GOARCH)
+          curl -Lo ./bin/kind https://kind.sigs.k8s.io/dl/${KIND_VERSION}/kind-linux-$(go env GOARCH)
           chmod +x ./bin/kind
 
       - name: Verify Docker and kind