Merge RandomChoiceLoadBalancer and PreferNearestLoadBalancer KIKIMR-13404

Update versions and changelog
Fix depracated method in HostsNameResolver
Update tests for YdbLoadResolver
Merge RandomChoiceLoadBalancer and PreferNearestLoadBalancer in YdbLoadBalancer
Sync PreferNearestLoadBalancer with RoundRobinLoadBalancer version 1.42.x

ref:9518101
sync: https://proxy.sandbox.yandex-team.ru/3160243845

Author: alex268

pom.xml

@@ -25,7 +25,7 @@
 
         <maven.javadoc.skip>true</maven.javadoc.skip>
         <ydb.yc-creditals.version>1.0.0</ydb.yc-creditals.version>
-        <ydb.sdk.version>1.12.1</ydb.sdk.version>
+        <ydb.sdk.version>1.12.2</ydb.sdk.version>
     </properties>
 
     <modules>