Removing image attribute from devcontainer to ensure standard linux i…

…mage is used by Github Codespaces (#451)

Removing the attribute to set the image, as the default linux image is
excluded from (does not contribute to) storage usage limits of a
Codespace.

.devcontainer/devcontainer.json

@@ -1,6 +1,5 @@
 {
   "name": "NHS Prototype Kit",
-  "image": "mcr.microsoft.com/devcontainers/universal:2",
   // codespaces seems to have an issue using port 2000 so setting to 2001 for the NHS Prototype Kit
   "runArgs": ["--env", "PORT=2001"],
   "portsAttributes": {

CHANGELOG.md

@@ -1,5 +1,11 @@
 # NHS prototype kit Changelog
 
+## [Unreleased]
+
+### Updated
+
+- Updated .devcontainer to remove the image attribute ([PR 451](https://github.com/nhsuk/nhsuk-prototype-kit/pull/451))
+
 ## 5.2.0 - 13 December 2024
 
 - Updated start page template to use the `serviceName` variable in the h1 and title tag ([PR 414](https://github.com/nhsuk/nhsuk-prototype-kit/pull/414))