catalog-graph: remove explicit maxDepth query param

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/eleven-trains-double.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-graph': patch
+---
+
+The link from the `CatalogGraphCard` to the `CatalogGraphPage` no longer includes an explicit `maxDepth` parameter, letting the `CatalogGraphPage` choose the initial `maxDepth` instead.

plugins/catalog-graph/src/components/CatalogGraphCard/CatalogGraphCard.test.tsx

@@ -133,7 +133,7 @@ describe('<CatalogGraphCard/>', () => {
     expect(button).toBeInTheDocument();
     expect(button.closest('a')).toHaveAttribute(
       'href',
-      '/catalog-graph?rootEntityRefs%5B%5D=b%3Ad%2Fc&maxDepth=2&unidirectional=true&mergeRelations=true&direction=LR',
+      '/catalog-graph?rootEntityRefs%5B%5D=b%3Ad%2Fc&unidirectional=true&mergeRelations=true&direction=LR',
     );
   });
 
@@ -157,7 +157,7 @@ describe('<CatalogGraphCard/>', () => {
     expect(button).toBeInTheDocument();
     expect(button.closest('a')).toHaveAttribute(
       'href',
-      '/catalog-graph?rootEntityRefs%5B%5D=b%3Ad%2Fc&maxDepth=3&unidirectional=true&mergeRelations=false&direction=LR',
+      '/catalog-graph?rootEntityRefs%5B%5D=b%3Ad%2Fc&unidirectional=true&mergeRelations=false&direction=LR',
     );
   });
 

plugins/catalog-graph/src/components/CatalogGraphCard/CatalogGraphCard.tsx

@@ -111,7 +111,6 @@ export const CatalogGraphCard = (props: {
   const catalogGraphParams = qs.stringify(
     {
       rootEntityRefs: [stringifyEntityRef(entity)],
-      maxDepth: maxDepth + 1,
       unidirectional,
       mergeRelations,
       kinds,