+ - silicon:
+ branch: "master"
+ java-version: "openjdk11"
+ - aluminium:
+ branch: "stable/aluminium"
+ java-version: "openjdk11"
+ - magnesium:
+ branch: "stable/magnesium"
+ java-version: "openjdk11"
+ - sodium:
+ branch: "stable/sodium"
+
+ os-branch: "queens"