Revert slf4j 2.x upgrade (#1096)

CHANGELOG.md

@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 - [env] `CFEnvironment` has migrated to use btp-environment-variable-access library for accessing configuration from VCAP_SERVICES
 - [java-security] `XsUserInfoAdapter.getSystemAttribute()` supports in token `xs.system.attributes` values in string format along with string array
 
+‼️ slf4j API version has been reverted back to 1.7.x to be in line with spring-boot 2.x supported slf4j API version
+
 #### Dependency upgrades
 * Bump spring.boot.version from 2.7.8 to 2.7.9
 * Bump spring.security.version from 5.8.1 to 5.8.2

pom.xml

@@ -64,7 +64,7 @@
 		<spring.security.jwt.version>1.1.1.RELEASE</spring.security.jwt.version>
 		<reactor.version>3.4.24</reactor.version>
 		<log4j2.version>2.19.0</log4j2.version>
-		<slf4j.api.version>2.0.6</slf4j.api.version> <!--see also here http://www.slf4j.org/faq.html#changesInVersion18 -->
+		<slf4j.api.version>1.7.36</slf4j.api.version> <!--see also here http://www.slf4j.org/faq.html#changesInVersion18 -->
 		<org.json.version>20220924</org.json.version>
 		<sap.cloud.env.servicebinding.version>0.5.2</sap.cloud.env.servicebinding.version>
 		<google.jsr305.version>3.0.2</google.jsr305.version>

token-client/pom.xml

@@ -101,14 +101,6 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
-			<version>1.3.0</version>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>ch.qos.logback</groupId>
-			<artifactId>logback-core</artifactId>
-			<version>1.3.0</version>
-			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>io.github.hakky54</groupId>