[maven-release-plugin] Prepare release

Signed-off-by: tinker-michaelj <[email protected]>

Author: tinker-michaelj

hapi-fees/pom.xml

@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.hedera.hashgraph</groupId>
     <artifactId>hedera-services</artifactId>
-    <version>0.12.0-rc.4-SNAPSHOT</version>
+    <version>0.12.0-rc.4</version>
   </parent>
 
   <properties>
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>com.hedera.hashgraph</groupId>
       <artifactId>hapi-utils</artifactId>
-      <version>0.12.0-rc.4-SNAPSHOT</version>
+      <version>0.12.0-rc.4</version>
     </dependency>
     <!-- Test dependencies -->
     <dependency>

hapi-utils/pom.xml

@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.hedera.hashgraph</groupId>
     <artifactId>hedera-services</artifactId>
-    <version>0.12.0-rc.4-SNAPSHOT</version>
+    <version>0.12.0-rc.4</version>
   </parent>
 
   <dependencies>

hedera-node/pom.xml

@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.hedera.hashgraph</groupId>
     <artifactId>hedera-services</artifactId>
-    <version>0.12.0-rc.4-SNAPSHOT</version>
+    <version>0.12.0-rc.4</version>
   </parent>
 
   <properties>
@@ -268,12 +268,12 @@
     <dependency>
       <groupId>com.hedera.hashgraph</groupId>
       <artifactId>hapi-fees</artifactId>
-      <version>0.12.0-rc.4-SNAPSHOT</version>
+      <version>0.12.0-rc.4</version>
     </dependency>
     <dependency>
       <groupId>com.hedera.hashgraph</groupId>
       <artifactId>hapi-utils</artifactId>
-      <version>0.12.0-rc.4-SNAPSHOT</version>
+      <version>0.12.0-rc.4</version>
     </dependency>
     <dependency>
       <groupId>com.swirlds</groupId>

pom.xml

@@ -3,7 +3,7 @@
 
   <groupId>com.hedera.hashgraph</groupId>
   <artifactId>hedera-services</artifactId>
-  <version>0.12.0-rc.4-SNAPSHOT</version>
+  <version>0.12.0-rc.4</version>
   <description>
     Hedera Services (crypto, file, contract, consensus) on the Platform
   </description>
@@ -21,7 +21,7 @@
     <url>https://github.com/hashgraph/hedera-services</url>
     <connection>scm:git:[email protected]:hashgraph/hedera-services.git</connection>
     <developerConnection>scm:git:[email protected]:hashgraph/hedera-services.git</developerConnection>
-    <tag>release/0.12</tag>
+    <tag>v0.12.0-rc.4</tag>
   </scm>
 
   <developers>
@@ -170,7 +170,7 @@
     <sonar.host.url>https://sonarcloud.io</sonar.host.url>
     <sonar.language>java</sonar.language>
     <sonar.java.coveragePlugin>jacoco</sonar.java.coveragePlugin>
-    <project.build.outputTimestamp>2021-02-18T22:15:45Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2021-02-22T22:51:45Z</project.build.outputTimestamp>
   </properties>
 
   <modules>

test-clients/pom.xml

@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.hedera.hashgraph</groupId>
     <artifactId>hedera-services</artifactId>
-    <version>0.12.0-rc.4-SNAPSHOT</version>
+    <version>0.12.0-rc.4</version>
   </parent>
 
   <properties>
@@ -279,12 +279,12 @@
     <dependency>
       <groupId>com.hedera.hashgraph</groupId>
       <artifactId>hapi-utils</artifactId>
-      <version>0.12.0-rc.4-SNAPSHOT</version>
+      <version>0.12.0-rc.4</version>
     </dependency>
     <dependency>
       <groupId>com.hedera.hashgraph</groupId>
       <artifactId>hapi-fees</artifactId>
-      <version>0.12.0-rc.4-SNAPSHOT</version>
+      <version>0.12.0-rc.4</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>