fix(material/stepper): Replace any with unknown

Author: jamOne-

src/material/stepper/step-content.ts

@@ -15,7 +15,7 @@ import {Directive, TemplateRef, inject} from '@angular/core';
   selector: 'ng-template[matStepContent]',
 })
 export class MatStepContent {
-  _template = inject<TemplateRef<any>>(TemplateRef);
+  _template = inject<TemplateRef<unknown>>(TemplateRef);
 
   constructor(...args: unknown[]);
   constructor() {}

src/material/stepper/stepper.spec.ts

@@ -1640,7 +1640,7 @@ describe('MatStepper', () => {
 
 /** Asserts that keyboard interaction works correctly. */
 function assertCorrectKeyboardInteraction(
-  fixture: ComponentFixture<any>,
+  fixture: ComponentFixture<unknown>,
   stepHeaders: DebugElement[],
   orientation: StepperOrientation,
 ) {
@@ -1741,7 +1741,7 @@ function assertCorrectKeyboardInteraction(
 
 /** Asserts that arrow key direction works correctly in RTL mode. */
 function assertArrowKeyInteractionInRtl(
-  fixture: ComponentFixture<any>,
+  fixture: ComponentFixture<unknown>,
   stepHeaders: DebugElement[],
 ) {
   const stepperComponent = fixture.debugElement.query(By.directive(MatStepper))!.componentInstance;
@@ -1763,7 +1763,7 @@ function assertArrowKeyInteractionInRtl(
 
 /** Asserts that keyboard interaction works correctly when the user is pressing a modifier key. */
 function assertSelectKeyWithModifierInteraction(
-  fixture: ComponentFixture<any>,
+  fixture: ComponentFixture<unknown>,
   stepHeaders: DebugElement[],
   orientation: StepperOrientation,
   selectionKey: number,
@@ -1822,7 +1822,7 @@ function asyncValidator(minLength: number, validationTrigger: Subject<void>): As
 function createComponent<T>(
   component: Type<T>,
   providers: Provider[] = [],
-  imports: any[] = [],
+  imports: unknown[] = [],
   encapsulation?: ViewEncapsulation,
   declarations = [component],
 ): ComponentFixture<T> {