Fix backup test; use mysql image

Signed-off-by: Matt Lord <[email protected]>

Author: mattlord

test/endtoend/operator/101_initial_cluster_backup.yaml

@@ -21,7 +21,7 @@ spec:
     vtorc: vitess/lite:latest
     vtbackup: vitess/lite:latest
     mysqld:
-      mysql56Compatible: vitess/lite:latest
+      mysql80Compatible: mysql:8.0.30
     mysqldExporter: prom/mysqld-exporter:v0.11.0
   cells:
   - name: zone1

tools/get-e2e-test-deps.sh

@@ -40,7 +40,7 @@ fi
 if ! command -v vtctldclient &> /dev/null
 then
   echo "Downloading vtctldclient..."
-  version="19.0.1"
+  version="19.0.3"
   hash="3a43ab8"
   file="vitess-${version}-${hash}.tar.gz"
   wget https://github.com/vitessio/vitess/releases/download/v${version}/${file}