HDDS-2001. Update Ratis version to 0.4.0.

Signed-off-by: Anu Engineer <aengineer@apache.org>

hadoop-hdds/pom.xml

@@ -46,7 +46,7 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <hdds.version>0.5.0-SNAPSHOT</hdds.version>
 
     <!-- Apache Ratis version -->
-    <ratis.version>0.4.0-78e95b9-SNAPSHOT</ratis.version>
+    <ratis.version>0.4.0</ratis.version>
 
     <bouncycastle.version>1.60</bouncycastle.version>
 

hadoop-ozone/pom.xml

@@ -28,7 +28,7 @@
   <properties>
     <hdds.version>0.5.0-SNAPSHOT</hdds.version>
     <ozone.version>0.5.0-SNAPSHOT</ozone.version>
-    <ratis.version>0.4.0-78e95b9-SNAPSHOT</ratis.version>
+    <ratis.version>0.4.0</ratis.version>
     <bouncycastle.version>1.60</bouncycastle.version>
     <ozone.release>Crater Lake</ozone.release>
     <declared.ozone.version>${ozone.version}</declared.ozone.version>

pom.ozone.xml

@@ -154,7 +154,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
     <ldap-api.version>1.0.0-M33</ldap-api.version>
 
     <!-- Apache Ratis version -->
-    <ratis.version>0.3.0-eca3531-SNAPSHOT</ratis.version>
+    <ratis.version>0.4.0</ratis.version>
     <jcache.version>1.0-alpha-1</jcache.version>
     <ehcache.version>3.3.1</ehcache.version>
     <hikari.version>2.4.12</hikari.version>