Update spring dependency (#162)

* Updating Spring boot versions

* Updating sample apps dependency version

* Remove redundant code

Co-authored-by: Ruthvik Ravindra <[email protected]>

Author: ruthvik17

dependencyManagement/build.gradle.kts

@@ -39,7 +39,7 @@ val DEPENDENCY_BOMS = listOf(
   "io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:${if (!TEST_SNAPSHOTS) "$otelVersion-alpha" else "$otelSnapshotVersion-alpha-SNAPSHOT"}",
   "org.apache.logging.log4j:log4j-bom:2.17.2",
   "org.junit:junit-bom:5.8.2",
-  "org.springframework.boot:spring-boot-dependencies:2.6.5",
+  "org.springframework.boot:spring-boot-dependencies:2.6.6",
   "org.testcontainers:testcontainers-bom:1.16.3",
   "software.amazon.awssdk:bom:2.17.156"
 )

settings.gradle.kts

@@ -22,7 +22,7 @@ pluginManagement {
     id("com.google.cloud.tools.jib") version "3.2.0"
     id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
     id("nebula.release") version "16.0.0"
-    id("org.springframework.boot") version "2.6.5"
+    id("org.springframework.boot") version "2.6.6"
   }
 }