build(material/stepper): update material api goldens

Ran command to update material api goldens to fix failures.

Author: essjay05

goldens/material/stepper/testing/index.api.md

@@ -20,9 +20,8 @@ export class MatStepHarness extends ContentContainerComponentHarness<string> {
     hasErrors(): Promise<boolean>;
     static hostSelector: string;
     isCompleted(): Promise<boolean>;
-    isExpanded(): Promise<boolean>;
     isOptional(): Promise<boolean>;
-    isPressed(): Promise<boolean>;
+    isSelected(): Promise<boolean>;
     select(): Promise<void>;
     static with(options?: StepHarnessFilters): HarnessPredicate<MatStepHarness>;
 }
@@ -51,10 +50,9 @@ export class MatStepperPreviousHarness extends StepperButtonHarness {
 // @public
 export interface StepHarnessFilters extends BaseHarnessFilters {
     completed?: boolean;
-    expanded?: boolean;
     invalid?: boolean;
     label?: string | RegExp;
-    pressed?: boolean;
+    selected?: boolean;
 }
 
 // @public