chore(deps): update dependency io.reactivex.rxjava3:rxjava to v3.1.4 (#707)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

gradle.properties

@@ -18,7 +18,7 @@ bomProperty=micronautOpenapiVersion
 bomProperties=swaggerVersion
 
 rxJava2Version=2.2.21
-rxJava3Version=3.1.3
+rxJava3Version=3.1.4
 swaggerVersion=2.1.13
 kotlinVersion=1.5.31
 junitVersion=5.7.2