Version increment automation: task rename updateVersion

Signed-off-by: pgodithi <pgodithi@amazon.com>

Author: prudhvigodithi

build.gradle

@@ -140,22 +140,6 @@ shadowJar {
     classifier = null
 }
 
-// versionIncrement: Task to auto increment to the next development iteration
-task versionIncrement {
-    onlyIf { System.getProperty('newVersion') }
-    doLast {
-        ext.newVersion = System.getProperty('newVersion')
-        println "Setting version to ${newVersion}."
-        // String tokenization to support -SNAPSHOT
-        ant.replaceregexp(match: opensearch_version.tokenize('-')[0], replace: newVersion.tokenize('-')[0], flags:'g', byline:true) {
-            fileset(dir: projectDir) {
-                // Include the required files that needs to be updated with new Version
-                include(name: "build.gradle")
-            }
-        }
-    }
-}
-
 task sourcesJar(type: Jar) {
     classifier = 'sources'
     from sourceSets.main.allJava
@@ -211,3 +195,15 @@ publishing {
     gradle.startParameter.setShowStacktrace(ShowStacktrace.ALWAYS)
     gradle.startParameter.setLogLevel(LogLevel.DEBUG)
 }
+
+// updateVersion: Task to auto increment to the next development iteration
+task updateVersion {
+    onlyIf { System.getProperty('newVersion') }
+    doLast {
+        ext.newVersion = System.getProperty('newVersion')
+        println "Setting version to ${newVersion}."
+        // String tokenization to support -SNAPSHOT
+        // Include the required files that needs to be updated with new Version
+        ant.replaceregexp(file:'build.gradle', match: '"opensearch.version", "\\d.*"', replace: '"opensearch.version", "' + newVersion.tokenize('-')[0] + '-SNAPSHOT"', flags:'g', byline:true)
+    }
+}