fix: allow remark-lint-expected-html-sections to skip yaml

Update the linter to ignore YAML frontmatter nodes when identifying the anchor node for expected HTML sections.

Assisted-by: Claude-Opus-4-6

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: batpigandme

lib/node_modules/@stdlib/_tools/remark/plugins/remark-lint-expected-html-sections/lib/linter.js

@@ -48,6 +48,9 @@ function getAnchorNode( tree ) {
 
 	for ( i = 0; i < tree.children.length; i++ ) {
 		node = tree.children[ i ];
+		if ( node.type === 'yaml' ) {
+			continue;
+		}
 		if ( node.type === 'html' && RE_HTML_COMMENT.test( node.value ) ) {
 			continue;
 		}