Upgrade: [dependabot] - bump NHSDigital/eps-update-devcontainer

Bumps [NHSDigital/eps-update-devcontainer](https://github.com/nhsdigital/eps-update-devcontainer) from 1.0.2 to 1.0.4.
- [Release notes](https://github.com/nhsdigital/eps-update-devcontainer/releases)
- [Commits](NHSDigital/eps-update-devcontainer@dc3a8c5...83f4b56)

---
updated-dependencies:
- dependency-name: NHSDigital/eps-update-devcontainer
  dependency-version: 1.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/update_dev_container_version.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Update devcontainer version
-        uses: NHSDigital/eps-update-devcontainer@dc3a8c5f11e7226ee4f5f2bb35bd0d1265092306
+        uses: NHSDigital/eps-update-devcontainer@83f4b56f1942635f2c05b7fe569142459b8c3882
         with:
           calling_repo_base_branch: main
           CREATE_PULL_REQUEST_APP_ID: ${{ secrets.CREATE_PULL_REQUEST_APP_ID }}