Bump espressoVersion from 3.3.0 to 3.4.0 (#36)

Bumps `espressoVersion` from 3.3.0 to 3.4.0.

Updates `espresso-core` from 3.3.0 to 3.4.0

Updates `espresso-contrib` from 3.3.0 to 3.4.0

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

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

Author: dependabot[bot]

samples/app/build.gradle

@@ -42,7 +42,7 @@ dependencies {
     implementation('androidx.appcompat:appcompat:1.3.1')
 
     /* UI Test */
-    final espressoVersion = '3.3.0'
+    final espressoVersion = '3.4.0'
     final runnerVersion = '1.3.0'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation "androidx.test.espresso:espresso-core:$espressoVersion"