Bump rxjava from 3.1.4 to 3.1.5 (#144)

Bumps [rxjava](https://github.com/ReactiveX/RxJava) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/ReactiveX/RxJava/releases)
- [Commits](ReactiveX/RxJava@v3.1.4...v3.1.5)

---
updated-dependencies:
- dependency-name: io.reactivex.rxjava3:rxjava
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

build.gradle

@@ -47,7 +47,7 @@ dependencies {
 
     api "org.reactivestreams:reactive-streams:1.0.4"
     api "io.reactivex:rxjava:1.3.8"
-    api "io.reactivex.rxjava3:rxjava:3.1.4"
+    api "io.reactivex.rxjava3:rxjava:3.1.5"
 
     testImplementation group: 'junit', name: 'junit', version: '4.13.2'
     testImplementation 'org.mockito:mockito-core:4.6.0'