release/4.12.0

Signed-off-by: Nischal Sharma <[email protected]>

Author: NickSneo

README.md

@@ -118,7 +118,7 @@ Java:
 <dependency>
   <groupId>org.web3j</groupId>
   <artifactId>core</artifactId>
-  <version>4.11.2</version>
+  <version>4.12.0</version>
 </dependency>
 ```
 
@@ -128,7 +128,7 @@ Android:
 <dependency>
   <groupId>org.web3j</groupId>
   <artifactId>core</artifactId>
-  <version>4.8.7-android</version>
+  <version>4.8.9-android</version>
 </dependency>
 ```
 
@@ -138,13 +138,13 @@ Gradle
 Java:
 
 ```groovy
-implementation ('org.web3j:core:4.11.2')
+implementation ('org.web3j:core:4.12.0')
 ```
 
 Android:
 
 ```groovy
-implementation ('org.web3j:core:4.8.7-android')
+implementation ('org.web3j:core:4.8.9-android')
 ```
 
 Build instructions

gradle.properties

@@ -1,2 +1,2 @@
 group=org.web3j
-version=4.12.0-SNAPSHOT
+version=4.12.0