build(deps): bump androidx.test.services:test-services

Bumps androidx.test.services:test-services from 1.2.0 to 1.6.0.

---
updated-dependencies:
- dependency-name: androidx.test.services:test-services
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -71,7 +71,7 @@ rxjava = "2.1.14"
 serialization = "1.7.3"
 slf4jNop = "2.0.17"
 spotless = "7.0.4"
-testServices = "1.2.0"
+testServices = "1.6.0"
 truth = "1.4.4"
 truthProtoExtension = "1.0"
 wiremockStandalone = "2.26.3"