Clarify title of HasSubcomponentsCard

Signed-off-by: David Tuite <david@roadie.io>

plugins/catalog/src/components/HasSubcomponentsCard/HasSubcomponentsCard.test.tsx

@@ -66,7 +66,7 @@ describe('<HasSubcomponentsCard />', () => {
       </Wrapper>,
     );
 
-    expect(getByText('Subcomponents')).toBeInTheDocument();
+    expect(getByText('Has subcomponents')).toBeInTheDocument();
     expect(
       getByText(/No subcomponent is part of this component/i),
     ).toBeInTheDocument();
@@ -114,7 +114,7 @@ describe('<HasSubcomponentsCard />', () => {
     );
 
     await waitFor(() => {
-      expect(getByText('Subcomponents')).toBeInTheDocument();
+      expect(getByText('Has subcomponents')).toBeInTheDocument();
       expect(getByText(/target-name/i)).toBeInTheDocument();
     });
   });

plugins/catalog/src/components/HasSubcomponentsCard/HasSubcomponentsCard.tsx

@@ -30,7 +30,7 @@ export const HasSubcomponentsCard = ({ variant = 'gridItem' }: Props) => {
   return (
     <RelatedEntitiesCard
       variant={variant}
-      title="Subcomponents"
+      title="Has subcomponents"
       entityKind="Component"
       relationType={RELATION_HAS_PART}
       columns={componentEntityColumns}