fix test output for new deprecation warning

Signed-off-by: Joe Kimmel <jkimmel@vmware.com>

internal/commands/stack_suggest_test.go

@@ -32,6 +32,12 @@ func testStacksSuggestCommand(t *testing.T, when spec.G, it spec.S) {
 			h.AssertNil(t, command.Execute())
 			h.AssertEq(t, outBuf.String(), `Stacks maintained by the community:
 
+    Stack ID: Deprecation Notice
+    Description: Stacks will continue to be supported through at least 2024 but are deprecated in favor of using BuildImages and RunImages directly. Please see our docs for more details- https://buildpacks.io/docs/concepts/components/stack
+    Maintainer: CNB
+    Build Image: 
+    Run Image: 
+
     Stack ID: heroku-20
     Description: The official Heroku stack based on Ubuntu 20.04
     Maintainer: Heroku