Update dependencies (#8)

package.json

@@ -33,18 +33,18 @@
     "meow": "^3.7.0",
     "minimist": "^1.2.0",
     "nlcst-to-string": "^2.0.0",
-    "remark": "^5.0.1",
-    "remark-lint": "^4.2.0",
-    "remark-message-control": "^2.0.2",
-    "remark-retext": "^2.0.0",
-    "retext": "^3.0.0",
-    "retext-equality": "^2.3.2",
-    "retext-intensify": "^2.0.0",
-    "retext-readability": "^3.0.0",
-    "retext-simplify": "^3.0.0",
-    "retext-spell": "wooorm/retext-spell#9e2c9a9",
-    "to-vfile": "^1.0.0",
+    "remark": "^7.0.0",
+    "remark-lint": "^6.0.0",
+    "remark-message-control": "^4.0.0",
+    "remark-retext": "^3.0.0",
+    "retext": "^5.0.0",
+    "retext-equality": "^3.0.0",
+    "retext-intensify": "^3.0.0",
+    "retext-readability": "^4.0.0",
+    "retext-simplify": "^4.0.0",
+    "retext-spell": "^2.0.0",
+    "to-vfile": "^2.1.1",
     "unist-util-visit": "^1.1.0",
-    "vfile-reporter": "^2.0.1"
+    "vfile-reporter": "^3.0.0"
   }
 }