fix: bump next version floor in package.json to ^16.2.2

Raises the minimum version to ensure fresh installs cannot resolve
to a version below the security fix threshold (16.1.7).

Addresses review comment from @cjbell.

Author: kylemcd

package.json

@@ -59,7 +59,7 @@
     "lodash": "^4.17.21",
     "lucide-react": "^0.525.0",
     "mdast-util-to-hast": "13.2.1",
-    "next": "^16.1.4",
+    "next": "^16.2.2",
     "next-mdx-remote": "^6.0.0",
     "next-remote-refresh": "^0.10.1",
     "next-seo": "^5.4.0",

yarn.lock

@@ -4877,7 +4877,7 @@ next-seo@^5.4.0:
   resolved "https://registry.yarnpkg.com/next-seo/-/next-seo-5.15.0.tgz#b1a90508599774982909ea44803323c6fb7b50f4"
   integrity sha512-LGbcY91yDKGMb7YI+28n3g+RuChUkt6pXNpa8FkfKkEmNiJkeRDEXTnnjVtwT9FmMhG6NH8qwHTelGrlYm9rgg==
 
-next@^16.1.4:
+next@^16.2.2:
   version "16.2.2"
   resolved "https://registry.yarnpkg.com/next/-/next-16.2.2.tgz#7b02ce7ec5f2e17fc699ca2590820c779ae8282e"
   integrity sha512-i6AJdyVa4oQjyvX/6GeER8dpY/xlIV+4NMv/svykcLtURJSy/WzDnnUk/TM4d0uewFHK7xSQz4TbIwPgjky+3A==