chore: Fix lint for non @k8slens/core packages

- Update eslint config to be tighter in control

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/business-features/keyboard-shortcuts/src/keyboard-shortcuts.test.tsx

@@ -18,7 +18,7 @@ import platformInjectable from "./platform.injectable";
 
 describe("keyboard-shortcuts", () => {
   let di: DiContainer;
-  let invokeMock: jest.Mock;
+  let invokeMock: jest.MockedFunction<(val?: string) => void>;
   let rendered: RenderResult;
 
   beforeEach(() => {