Bump org.robolectric:robolectric in the lib-dependencies group (#173)

Bumps the lib-dependencies group with 1 update: [org.robolectric:robolectric](https://github.com/robolectric/robolectric).


Updates `org.robolectric:robolectric` from 4.16 to 4.16.1
- [Release notes](https://github.com/robolectric/robolectric/releases)
- [Commits](robolectric/robolectric@robolectric-4.16...robolectric-4.16.1)

---
updated-dependencies:
- dependency-name: org.robolectric:robolectric
  dependency-version: 4.16.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: lib-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ ical4j = "3.2.19"   # final version; update to 4.x will require much work
 junit = "4.13.2"
 kotlin = "2.2.21"
 mockk = "1.14.7"
-roboelectric = "4.16"
+roboelectric = "4.16.1"
 slf4j = "2.0.17"
 spotbugs = "4.9.8"