build(deps): bump digitalmarketplace-utils from 60.11.0 to 60.12.0

Bumps [digitalmarketplace-utils](https://github.com/alphagov/digitalmarketplace-utils) from 60.11.0 to 60.12.0.
- [Release notes](https://github.com/alphagov/digitalmarketplace-utils/releases)
- [Changelog](https://github.com/Crown-Commercial-Service/digitalmarketplace-utils/blob/main/CHANGELOG.md)
- [Commits](Crown-Commercial-Service/digitalmarketplace-utils@60.11.0...60.12.0)

---
updated-dependencies:
- dependency-name: digitalmarketplace-utils
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -32,7 +32,7 @@ digitalmarketplace-apiclient==23.2.0
     # via -r requirements.in
 digitalmarketplace-content-loader==9.2.0
     # via -r requirements.in
-digitalmarketplace-utils==60.11.0
+digitalmarketplace-utils==60.12.0
     # via
     #   -r requirements.in
     #   digitalmarketplace-content-loader