Bump @x-govuk/nhsuk-eleventy-plugin from 1.0.6 to 1.1.1

Bumps [@x-govuk/nhsuk-eleventy-plugin](https://github.com/x-govuk/nhsuk-eleventy-plugin) from 1.0.6 to 1.1.1.
- [Release notes](https://github.com/x-govuk/nhsuk-eleventy-plugin/releases)
- [Commits](x-govuk/nhsuk-eleventy-plugin@v1.0.6...v1.1.1)

---
updated-dependencies:
- dependency-name: "@x-govuk/nhsuk-eleventy-plugin"
  dependency-version: 1.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -25,7 +25,7 @@
   },
   "dependencies": {
     "@11ty/eleventy": "^3.1.2",
-    "@x-govuk/nhsuk-eleventy-plugin": "^1.0.5",
+    "@x-govuk/nhsuk-eleventy-plugin": "^1.1.1",
     "js-yaml": "^4.1.1"
   },
   "devDependencies": {