bring branch up-to-speed

Author: DerekNonGeneric

build/tasks/format/format-filenames.mjs build/tasks/format/format-filenames.mtsbuild/tasks/format/format-filenames.mjs renamed to build/tasks/format/format-filenames.mts

@@ -31,8 +31,10 @@
     "@shopify/prettier-plugin-liquid": "1.5.0",
     "@tsconfig/node-lts": "20.1.3",
     "@types/node": "20.14.2",
+    "@types/recursive-readdir": "2.2.4",
     "@yarnpkg/shell": "4.0.2",
     "autoprefixer": "10.4.19",
+    "change-case": "5.4.4",
     "cspell": "8.8.4",
     "cssnano": "7.0.2",
     "dictionary-en": "4.0.0",