chore(deps): update dependency @grafana/plugin-e2e to v1.12.1 (#1326) #4436

Job	Run time
Run unit tests	1m 5s
Test plugin scaffolding (myorg-nobackend-app, create-plugin --pluginName='no-backend' --orgName='...	2m 12s
Test plugin scaffolding (myorg-backend-app, create-plugin --pluginName='backend' --orgName='myorg...	3m 1s
Test plugin scaffolding (myorg-nobackend-panel, create-plugin --pluginName='no-backend' --orgName...	2m 13s
Test plugin scaffolding (myorg-nobackend-datasource, create-plugin --pluginName='no-backend' --or...	2m 4s
Test plugin scaffolding (myorg-backend-datasource, create-plugin --pluginName='backend' --orgName...	3m 5s
Test plugin scaffolding (myorg-nobackendscenes-app, create-plugin --pluginName='no-backend-scenes...	2m 21s
Release packages	1m 8s
	17m 9s

Provide feedback