Bump robolectric from 4.4 to 4.5

Bumps [robolectric](https://github.com/robolectric/robolectric) from 4.4 to 4.5.
- [Release notes](https://github.com/robolectric/robolectric/releases)
- [Commits](robolectric/robolectric@robolectric-4.4...robolectric-4.5)

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

library/build.gradle

@@ -45,7 +45,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
     testImplementation "junit:junit:4.13"
-    testImplementation "org.robolectric:robolectric:4.4"
+    testImplementation "org.robolectric:robolectric:4.5"
 }
 
 jacoco {