feat: update kind version and the mysql image to be used

Signed-off-by: Manan Gupta <manan@planetscale.com>

Author: GuptaManan100

examples/operator/101_initial_cluster.yaml

@@ -15,7 +15,7 @@ spec:
     vtbackup: vitess/lite:latest
     vtorc: vitess/lite:latest
     mysqld:
-      mysql80Compatible: vitess/lite:latest
+      mysql80Compatible: mysql:8.0.30
     mysqldExporter: prom/mysqld-exporter:v0.11.0
   cells:
   - name: zone1

tools/get_kubectl_kind.sh

@@ -28,7 +28,7 @@ ln -sf "kubectl-${KUBE_VERSION}" kubectl
 if ! command -v kind &> /dev/null
 then
     echo "Downloading kind..."
-    curl -L https://kind.sigs.k8s.io/dl/v0.12.0/kind-linux-amd64 > "kind"
+    curl -L https://kind.sigs.k8s.io/dl/v0.20.0/kind-linux-amd64 > "kind"
     chmod +x "kind"
     echo "Installed kind"
 else