[vscode] API gap: Theia master vs. VS Code 1.81.0

[rschnekenbu]

This bug tracks the differences between current master Theia VS Code API and VS Code 1.81.0:

Public APIs

• [vscode] API gap: Theia master vs. VS Code 1.80.0 #12694
• [vscode] finalized QuickPickItem iconPath API #12883
• [vscode] Support TestController invalidateTestResults API #12884

Proposed API evolutions:

• no proposed API evolution has been found impacting the current usage in builtins. (see [vscode] proposed API evolution between 1.80 and 1.81 #12894)

Application management

• [vscode] bump API compatibility version to 1.81.0 #12882

Repo

• Raise builtins version

[rschnekenbu]

As a comment, the only impact is in the test API development task (#10669), with invalidateTestResults API being public now.