[Snyk] Fix for 20 vulnerabilities (#22)

* fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-7945490
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-7945491
- https://snyk.io/vuln/SNYK-JAVA-IONETTY-8707740
- https://snyk.io/vuln/SNYK-JAVA-IONETTY-8707739
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHETOMCATEMBED-8383920
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHETOMCATEMBED-8523186
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHETOMCATEMBED-8547999
- https://snyk.io/vuln/SNYK-JAVA-IONETTY-8367012
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230372
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230373
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-7687447
- https://snyk.io/vuln/SNYK-JAVA-CHQOSLOGBACK-8539866
- https://snyk.io/vuln/SNYK-JAVA-CHQOSLOGBACK-8539867
- https://snyk.io/vuln/SNYK-JAVA-ORGJETBRAINSKOTLIN-2393744
- https://snyk.io/vuln/SNYK-JAVA-CHQOSLOGBACK-8539865
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230364
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230365
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230366
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230367
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230368

* Minor fixes

---------

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

README.md

@@ -1,7 +1,7 @@
 
 #creates all zookeeper, kafka and application docker
 ```shell
-docker-compose up -d
+docker-compose up -d --build # to get new changes loaded
 ```
 #get list of all containers and ID for producer and consumer
 ```shell

docker-compose.yml

@@ -1,5 +1,3 @@
-version: '3.8'  # Specify the version of the Compose file
-
 networks:
   app-network:  # Define the network here
     driver: bridge

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.1</version>
+		<version>3.3.3</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.kafka.learn</groupId>
@@ -44,7 +44,7 @@
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-stream-binder-kafka-reactive</artifactId>
-			<version>4.1.3</version>
+			<version>4.2.0</version>
 		</dependency>
 		<dependency>
 			<groupId>io.projectreactor.kafka</groupId>