chore(test): bump kind version to v0.20.0 (#5088)

There are some incompatibilities between different versions of kind
and the old version can't work with Kubernetes v1.28.

We have not encountered any issues because the GitHub Actions
environment has already upgraded kind to the latest version by default.

actions/runner-images#7747

scripts/check-container-environment.sh

@@ -11,7 +11,7 @@
 
 set -euo pipefail
 
-KIND_VERSION="v0.14.0"
+KIND_VERSION="v0.20.0"
 
 # ensure docker command is accessible
 if ! command -v docker &> /dev/null