Update web3j.version to v4.12.3-android

Author: renovate[bot]

pom.xml

@@ -19,7 +19,7 @@
  <sonar.organization>piomin</sonar.organization>
  <sonar.host.url>https://sonarcloud.io</sonar.host.url>
  <testcontainers.version>1.19.6</testcontainers.version>
- <web3j.version>4.10.0</web3j.version>
+ <web3j.version>4.12.3-android</web3j.version>
  </properties>
 
  <modules>