Bump retext-simplify from 7.2.0 to 8.0.0 in /.config/remark (#1310)

Bumps [retext-simplify](https://github.com/retextjs/retext-simplify) from 7.2.0 to 8.0.0.
- [Release notes](https://github.com/retextjs/retext-simplify/releases)
- [Commits](retextjs/retext-simplify@7.2.0...8.0.0)

---
updated-dependencies:
- dependency-name: retext-simplify
  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>

.config/remark/package.json

@@ -81,7 +81,7 @@
     "retext-readability": "^7.2.0",
     "retext-repeated-words": "^4.2.0",
     "retext-sentence-spacing": "^6.0.0",
-    "retext-simplify": "^7.2.0",
+    "retext-simplify": "^8.0.0",
     "retext-spell": "^6.0.0",
     "retext-usage": "^0.5.0"
   }

.config/remark/yarn.lock

@@ -2649,18 +2649,17 @@ retext-sentence-spacing@^6.0.0:
     unist-util-visit "^5.0.0"
     vfile "^6.0.0"
 
-retext-simplify@^7.2.0:
-  version "7.2.0"
-  resolved "https://registry.yarnpkg.com/retext-simplify/-/retext-simplify-7.2.0.tgz#050c8bb23e697189d904b4f7f9b8e2d33c9812e2"
-  integrity sha512-zJ4RWGZmNMulaRj6Bc/ndRFDO7k3ZZ+owVtp3DBQt029JQQnixwb3fsjc76yMfSCBOeKGgJoN7GBqBhCTgQVCg==
+retext-simplify@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/retext-simplify/-/retext-simplify-8.0.0.tgz#566df168b3df69c0c79caa086b6f2f0dc210b3a4"
+  integrity sha512-epr9GOhYAqyG34WRpt6irnlNpG7TKZhxzZR2VsdgpfqTafy/VUo0GlnZAC8qXJNgi7y3ZQGC3bTYAUoNnWQorA==
   dependencies:
-    "@types/nlcst" "^1.0.0"
-    nlcst-search "^3.0.0"
-    nlcst-to-string "^3.0.0"
-    object-keys "^1.0.9"
+    "@types/nlcst" "^2.0.0"
+    nlcst-search "^4.0.0"
+    nlcst-to-string "^4.0.0"
     quotation "^2.0.0"
-    unified "^10.0.0"
-    unist-util-position "^4.0.0"
+    unist-util-position "^5.0.0"
+    vfile "^6.0.0"
 
 retext-spell@^6.0.0:
   version "6.0.0"