Add multiline-comment-style lint rule and fix violations

Enable multiline-comment-style with starred-block to require JSDoc-style
block comments with content on separate lines from the opening delimiter.
Auto-fix existing violations across the codebase.

Fixes #5899

Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>

eslint.config.mjs

@@ -88,6 +88,7 @@ export default tseslint.config(
       'jsdoc/check-param-names': 'warn',
       'jsdoc/no-multi-asterisks': 'warn',
       'keyword-spacing': 'warn',
+      'multiline-comment-style': ['warn', 'starred-block'],
       'max-len': ['warn', {
         code: 1000,
         comments: 100,