update deps

.devcontainer/Dockerfile

@@ -1,7 +1,7 @@
 # See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.209.6/containers/javascript-node/.devcontainer/base.Dockerfile
 
 # [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 16, 14, 12, 16-bullseye, 14-bullseye, 12-bullseye, 16-buster, 14-buster, 12-buster
-ARG VARIANT="16-bullseye"
+ARG VARIANT="20-bullseye"
 FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${VARIANT}
 
 # [Optional] Uncomment this section to install additional OS packages.

.devcontainer/devcontainer.json

@@ -7,21 +7,21 @@
     // Update 'VARIANT' to pick a Node version: 16, 14, 12.
     // Append -bullseye or -buster to pin to an OS version.
     // Use -bullseye variants on local arm64/Apple Silicon.
-    "args": {"VARIANT": "16-bullseye"}
+    "args": {
+      "VARIANT": "20-bullseye"
+    }
   },
-
   // Set *default* container specific settings.json values on container create.
   "settings": {},
-
   // Add the IDs of extensions you want installed when the container is created.
-  "extensions": ["dbaeumer.vscode-eslint", "esbenp.prettier-vscode"],
-
+  "extensions": [
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode"
+  ],
   // Use 'forwardPorts' to make a list of ports inside the container available locally.
   // "forwardPorts": [],
-
   // Use 'postCreateCommand' to run commands after the container is created.
   // "postCreateCommand": "yarn install",
-
   // Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
   "remoteUser": "node"
-}
+}