fix actuator spring version

build.gradle

@@ -45,16 +45,12 @@ spotless {
     lineEndings 'UNIX'
 }
 
-ext {
-    springBootVersion = '2.6.2'
-}
-
 dependencies {
     implementation 'com.google.code.gson:gson:2.8.9'
     implementation 'org.mifos:ph-ee-connector-common:1.4.1-SNAPSHOT'
     implementation 'org.apache.camel.springboot:camel-spring-boot-starter:3.12.0'
     implementation('org.springframework.boot:spring-boot-starter-web:2.6.2')
-    implementation 'org.springframework.boot:spring-boot-starter-actuator:$springBootVersion'
+    implementation 'org.springframework.boot:spring-boot-starter-actuator:2.6.2'
     implementation 'org.apache.camel:camel-endpointdsl:3.12.0'
     implementation 'org.apache.camel:camel-jetty:3.12.0'
     implementation 'org.apache.camel:camel-http:3.12.0'
@@ -65,10 +61,9 @@ dependencies {
     implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.13.1'
     implementation 'org.json:json:20211205'
     implementation 'io.camunda:zeebe-client-java:8.1.1'
-    testImplementation 'org.springframework.boot:spring-boot-starter-test:$springBootVersion'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test:2.6.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
-    testImplementation 'org.springframework.boot:spring-boot-starter-test:2.6.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
     implementation 'javax.servlet:javax.servlet-api:3.1.0'