Copy formatter-pretty dependencies to package.json as devDependencies to get tests passing under pnpm.

Author: DavidAnson

package.json

@@ -89,6 +89,7 @@
     "ajv": "8.17.1",
     "ava": "6.2.0",
     "c8": "10.1.3",
+    "chalk": "5.4.1",
     "cpy": "11.1.0",
     "cpy-cli": "5.0.0",
     "del": "8.0.0",
@@ -107,7 +108,8 @@
     "markdownlint-cli2-formatter-template": "0.0.2",
     "markdownlint-rule-extended-ascii": "0.1.0",
     "nano-spawn": "0.2.0",
-    "npm-run-all": "4.1.5"
+    "npm-run-all": "4.1.5",
+    "terminal-link": "3.0.0"
   },
   "keywords": [
     "markdown",