Fix Maven server ID and revert version to 2.2.0-beta in POM file

Author: reeshika-h

.github/workflows/maven--package-publish.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           java-version: '11'
           distribution: 'adopt'
-          server-id: ossrh
+          server-id: central
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
           gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}

pom.xml

@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.contentstack.sdk</groupId>
     <artifactId>java</artifactId>
-    <version>2.2.1-beta</version>
+    <version>2.2.0-beta</version>
     <packaging>jar</packaging>
     <name>contentstack-java</name>
     <description>Java SDK for Contentstack Content Delivery API</description>