build(deps-dev): bump retext-sentence-spacing from 2.1.0 to 3.0.0

Bumps [retext-sentence-spacing](https://github.com/retextjs/retext-sentence-spacing) from 2.1.0 to 3.0.0.
- [Release notes](https://github.com/retextjs/retext-sentence-spacing/releases)
- [Commits](retextjs/retext-sentence-spacing@2.1.0...3.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package.json

@@ -103,7 +103,7 @@
     "remark-retext": "^3.1.2",
     "retext-english": "^3.0.2",
     "retext-repeated-words": "^1.2.2",
-    "retext-sentence-spacing": "^2.1.0",
+    "retext-sentence-spacing": "^3.0.0",
     "retext-spell": "^2.4.0",
     "retext-syntax-urls": "^1.0.1",
     "retext-usage": "^0.5.0",