Migrate to new Prettier extension location (#1976)

Prettier is migrating to a new extension ID. Update the recommended
extension ID as well as the documentation.

Author: plemarquand

.devcontainer/devcontainer.json

@@ -23,7 +23,7 @@
             // Add the IDs of extensions you want installed when the container is created.
             "extensions": [
                 "dbaeumer.vscode-eslint",
-                "esbenp.prettier-vscode",
+                "prettier.prettier-vscode",
                 "llvm-vs-code-extensions.lldb-dap"
             ]
         }

.vscode/extensions.json

@@ -1,5 +1,5 @@
 {
   // See http://go.microsoft.com/fwlink/?LinkId=827846
   // for the documentation about the extensions.json format
-  "recommendations": ["dbaeumer.vscode-eslint", "esbenp.prettier-vscode"]
+  "recommendations": ["dbaeumer.vscode-eslint", "prettier.prettier-vscode"]
 }

.vscode/settings.json

@@ -13,7 +13,7 @@
 
   // Configure Prettier
   "editor.formatOnSave": true,
-  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.defaultFormatter": "prettier.prettier-vscode",
 
   // Disable for when opening files in this workspace
   "swift.disableAutoResolve": true,