build(deps): bump androidx.test.espresso:espresso-core (#709)

Bumps androidx.test.espresso:espresso-core from 3.4.0 to 3.6.1.

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

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

flipt-client-kotlin-android/gradle/libs.versions.toml

@@ -4,7 +4,7 @@ kotlin = "2.1.10"
 coreKtx = "1.13.1"
 junit = "4.13.2"
 junitVersion = "1.2.1"
-espressoCore = "3.4.0"
+espressoCore = "3.6.1"
 appcompat = "1.7.0"
 kotlinxSerializationJson = "1.7.3"
 material = "1.12.0"