[INTERNAL] sap.ui.mdc: Upgrade to ui5.yaml specVersion 2.0
[INTERNAL] sap.ui.mdc: Upgrade to ui5.yaml specVersion 2.0

To be aligned with all other OpenUI5 libraries.

Change-Id: If4313c88be5994de3cfdf97e2ad2160f8e766964

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5