docs: convert all @experimental tags to @publicApi tags (#26595)

PR Close #26595

packages/core/src/render/api.ts

@@ -119,7 +119,7 @@ export abstract class RootRenderer {
 /**
  * Used by `RendererFactory2` to associate custom rendering data and styles
  * with a rendering implementation.
- *  @experimental
+ *  @publicApi
  */
 export interface RendererType2 {
   /**
@@ -152,7 +152,7 @@ export interface RendererType2 {
 /**
  * Creates and initializes a custom renderer that implements the `Renderer2` base class.
  *
- * @experimental
+ * @publicApi
  */
 export abstract class RendererFactory2 {
   /**
@@ -179,7 +179,7 @@ export abstract class RendererFactory2 {
 
 /**
  * Flags for renderer-specific style modifiers.
- * @experimental
+ * @publicApi
  */
 export enum RendererStyleFlags2 {
   /**
@@ -205,7 +205,7 @@ export enum RendererStyleFlags2 {
  * not statically known, use the `setProperty()` or
  * `setAttribute()` method.
  *
- * @experimental
+ * @publicApi
  */
 export abstract class Renderer2 {
   /**