JAVA-2563: Upgrade Spring Boot version to 2.3.3.RELEASE (#9985)

* JAVA-2563: Upgrade Spring Boot version to 2.3.3.RELEASE

* JAVA-2563: Downgrade spring-cloud-connectors-heroku to Spring Boot 2.2.6.RELEASE

* JAVA-2563: Add joda-time version

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Use MongoClients factory instead of MongoClient directly

* JAVA-2563: Downgrade spring-5-data-reactive to Spring Boot 2.2.6.RELEASE

* JAVA-2563: Switch back to default bootstrap mode for JPA

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Switch from ServerHttpRequest to ServerWebExchange interface

* JAVA-2563: Use OutputCaptureRule instead of OutputCapture

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Add spring-boot-starter-validation dependency

* JAVA-2563: Fix Jackson dependency

* JAVA-2563: Fix ManualEmbeddedMongoDbIntegrationTest

* JAVA-2563: Replace validation-api with spring-boot-starter-validation

* JAVA-2563: Fix usage of deprecated getErrorAttributes method

* JAVA-2563: Downgrade spring-data-cassandra-reactive to Spring Boot 2.2.6.RELEASE

* JAVA-2563: Set spring.datasource.generate-unique-name to false in spring-session-jdbc

spring-5-data-reactive/pom.xml

@@ -224,6 +224,7 @@
         <h2.version>1.4.200</h2.version>
         <couchbaseMock.version>1.5.23</couchbaseMock.version>
         <reactor-core.version>3.3.1.RELEASE</reactor-core.version>
+        <spring-boot.version>2.2.6.RELEASE</spring-boot.version>
     </properties>
 
 </project>