centralize Google Truth versions instead of repeating them

build.gradle

@@ -109,6 +109,8 @@ allprojects  {
             dependency 'org.apache.openjpa:openjpa:3.1.2' // when upgrading, also change OpenJPA version repeated above in buildscript!
             dependency 'com.google.guava:guava:30.1-jre'
             dependency 'com.google.code.gson:gson:2.8.6'
+            dependency 'com.google.truth:truth:1.1.2'
+            dependency 'com.google.truth.extensions:truth-java8-extension:1.1.2'
             dependency 'org.apache.commons:commons-email:1.5'
             dependency 'commons-io:commons-io:2.8.0'
             dependency 'org.drizzle.jdbc:drizzle-jdbc:1.4'

fineract-client/dependencies.gradle

@@ -37,8 +37,8 @@ dependencies {
 
     testImplementation(
             'org.junit.jupiter:junit-jupiter-api',
-            'com.google.truth:truth:1.1.2',
-            'com.google.truth.extensions:truth-java8-extension:1.1.2'
+            'com.google.truth:truth',
+            'com.google.truth.extensions:truth-java8-extension'
             )
     testRuntimeOnly(
             'org.junit.jupiter:junit-jupiter-engine'

integration-tests/dependencies.gradle

@@ -25,8 +25,8 @@ dependencies {
             project(path: ':fineract-provider', configuration: 'runtimeElements'),
             project(path: ':fineract-client', configuration: 'runtimeElements'),
             'org.junit.jupiter:junit-jupiter-api',
-            'com.google.truth:truth:1.1.2',
-            'com.google.truth.extensions:truth-java8-extension:1.1.2',
+            'com.google.truth:truth',
+            'com.google.truth.extensions:truth-java8-extension',
             'org.awaitility:awaitility',
             // 'com.google.code.gson:gson',
             )