Bump remark-lint-no-multiple-toplevel-headings in /.config/remark (#1442)

Bumps [remark-lint-no-multiple-toplevel-headings](https://github.com/remarkjs/remark-lint) from 3.1.2 to 4.0.0.
- [Release notes](https://github.com/remarkjs/remark-lint/releases)
- [Changelog](https://github.com/remarkjs/remark-lint/blob/4.0.0/history.md)
- [Commits](https://github.com/remarkjs/remark-lint/commits/4.0.0)

---
updated-dependencies:
- dependency-name: remark-lint-no-multiple-toplevel-headings
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.config/remark/package.json

@@ -48,7 +48,7 @@
     "remark-lint-no-inline-padding": "^5.0.0",
     "remark-lint-no-literal-urls": "^3.1.2",
     "remark-lint-no-missing-blank-lines": "^4.0.0",
-    "remark-lint-no-multiple-toplevel-headings": "^3.1.2",
+    "remark-lint-no-multiple-toplevel-headings": "^4.0.0",
     "remark-lint-no-shell-dollars": "^3.1.2",
     "remark-lint-no-shortcut-reference-image": "^3.1.2",
     "remark-lint-no-shortcut-reference-link": "^3.1.2",

.config/remark/yarn.lock

@@ -2717,19 +2717,6 @@ remark-lint-no-missing-blank-lines@^4.0.0:
     unist-util-position "^5.0.0"
     unist-util-visit-parents "^6.0.0"
 
-remark-lint-no-multiple-toplevel-headings@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/remark-lint-no-multiple-toplevel-headings/-/remark-lint-no-multiple-toplevel-headings-3.1.2.tgz#e4eb81f01b81e346431314df611c75213f019724"
-  integrity sha512-9rJSsrwdzwKmtuloBjJobLzjGL7Lgtk3+vMNUyuH9z/nBfkUCN3qxn3Nt9AxL+wwSAsHV6e74W+W2S1ohBLt6A==
-  dependencies:
-    "@types/mdast" "^3.0.0"
-    unified "^10.0.0"
-    unified-lint-rule "^2.0.0"
-    unist-util-generated "^2.0.0"
-    unist-util-position "^4.0.0"
-    unist-util-stringify-position "^3.0.0"
-    unist-util-visit "^4.0.0"
-
 remark-lint-no-multiple-toplevel-headings@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/remark-lint-no-multiple-toplevel-headings/-/remark-lint-no-multiple-toplevel-headings-4.0.0.tgz#7e9b0a6fdd00e938b0c2dd33744b690d9b3899f8"