Query Title: Add levelOptions attribute to control available heading levels

docs/reference-guides/core-blocks.md

@@ -775,7 +775,7 @@ Display the query title. ([Source](https://github.com/WordPress/gutenberg/tree/t
 - **Name:** core/query-title
 - **Category:** theme
 - **Supports:** align (full, wide), color (background, gradients, text), interactivity (clientNavigation), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~
-- **Attributes:** level, showPrefix, showSearchTerm, textAlign, type
+- **Attributes:** level, levelOptions, showPrefix, showSearchTerm, textAlign, type
 
 ## Quote
 

packages/block-library/src/query-title/block.json

@@ -17,6 +17,9 @@
  "type": "number",
  "default": 1
  },
+ "levelOptions": {
+ "type": "array"
+ },
  "showPrefix": {
  "type": "boolean",
  "default": true

packages/block-library/src/query-title/edit.js

@@ -25,7 +25,14 @@ import { useArchiveLabel } from './use-archive-label';
 const SUPPORTED_TYPES = [ 'archive', 'search' ];
 
 export default function QueryTitleEdit( {
- attributes: { type, level, textAlign, showPrefix, showSearchTerm },
+ attributes: {
+ type,
+ level,
+ levelOptions,
+ textAlign,
+ showPrefix,
+ showSearchTerm,
+ },
  setAttributes,
 } ) {
  const { archiveTypeLabel, archiveNameLabel } = useArchiveLabel();
@@ -130,6 +137,7 @@ export default function QueryTitleEdit( {
  <BlockControls group="block">
  <HeadingLevelDropdown
  value={ level }
+ options={ levelOptions }
  onChange={ ( newLevel ) =>
  setAttributes( { level: newLevel } )
  }