Handle int64 field type when adding index fields (#671)

* Handle int64 field type when adding index fields

* add support for float64

pkg/sqlcache/informer/listoption_indexer_test.go

@@ -1855,7 +1855,11 @@ func TestWatchMany(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 
 	opts := ListOptionIndexerOptions{
-		Fields:       [][]string{{"metadata", "somefield"}},
+		Fields: [][]string{
+			{"metadata", "somefield"},
+			{"spec", "replicas"},
+			{"spec", "minReplicas"},
+		},
 		IsNamespaced: true,
 	}
 	loi, err := makeListOptionIndexer(ctx, opts)
@@ -1902,6 +1906,10 @@ func TestWatchMany(t *testing.T) {
 			"metadata": map[string]any{
 				"name": "foo",
 			},
+			"spec": map[string]any{
+				"replicas":    int64(1),
+				"minReplicas": float64(1.0),
+			},
 		},
 	}
 	foo.SetResourceVersion("100")