Add vscode-java & upgrade vscode-server standalone environment #6102

Job	Run time
Preliminary configuration	8s
Build (instance-operator)	1m 10s
Build (tenant-operator)	1m 16s
Build (bastion-operator)	1m 11s
Build (exam-agent)	1m 17s
Build (instmetrics)	1m 20s
Build (crownlabs-image-list)	29s
Build (delete-stale-instances)	25s
Build (frontend-app)	2m 38s
Build (qlkube)	41s
Build (tigervnc)	1m 17s
Build (websockify)	37s
Build (content-downloader)	28s
Build (content-uploader)	29s
Build (ssh-bastion)	15s
Build (img-exporter)	14s
Trigger events upon /deploy-staging comment	0s
Create a new CrownLabs release	0s
Trigger events upon successful push to master	0s
	13m 55s

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