Circular vector: improve generics (#30375)

packages/grafana-data/src/vector/CircularVector.ts

@@ -15,7 +15,7 @@ interface CircularOptions<T> {
  * This supports adding to the 'head' or 'tail' and will grow the buffer
  * to match a configured capacity.
  */
-export class CircularVector<T = any> extends FunctionalVector implements MutableVector<T> {
+export class CircularVector<T = any> extends FunctionalVector<T> implements MutableVector<T> {
   private buffer: T[];
   private index: number;
   private capacity: number;