Unify versions in backup schedule tests

Signed-off-by: Matt Lord <mattalord@gmail.com>

Author: mattlord

test/endtoend/operator/102_initial_cluster_keyspace_backup_schedule.yaml

@@ -55,7 +55,7 @@ spec:
     vtorc: vitess/lite:v24.0.0-rc1-mysql84
     vtbackup: vitess/lite:v24.0.0-rc1-mysql84
     mysqld:
-      mysql80Compatible: vitess/lite:v24.0.0-rc1-mysql80
+      mysql80Compatible: vitess/lite:v24.0.0-rc1-mysql84
     mysqldExporter: prom/mysqld-exporter:v0.18.0
   cells:
   - name: zone1

test/endtoend/operator/103_initial_cluster_vtctldclient_backup_schedule.yaml

@@ -54,7 +54,7 @@ spec:
     vtorc: vitess/lite:v24.0.0-rc1-mysql84
     vtbackup: vitess/lite:v24.0.0-rc1-mysql84
     mysqld:
-      mysql80Compatible: vitess/lite:v24.0.0-rc1-mysql80
+      mysql80Compatible: vitess/lite:v24.0.0-rc1-mysql84
     mysqldExporter: prom/mysqld-exporter:v0.18.0
   cells:
   - name: zone1