Bump backpack/theme-coreuiv4 from 1.1.4 to 1.1.5

Bumps [backpack/theme-coreuiv4](https://github.com/Laravel-Backpack/theme-coreuiv4) from 1.1.4 to 1.1.5.
- [Release notes](https://github.com/Laravel-Backpack/theme-coreuiv4/releases)
- [Commits](Laravel-Backpack/theme-coreuiv4@1.1.4...1.1.5)

---
updated-dependencies:
- dependency-name: backpack/theme-coreuiv4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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