Upgrade to SLF4J 2.0.0.

Resolves #1261.

Author: gregturn

pom.xml

@@ -109,7 +109,7 @@
         <mail.version>1.4.7</mail.version>
         <mockito.version>4.0.0</mockito.version>
         <saaj-impl.version>2.0.1</saaj-impl.version>
-        <slf4j.version>1.7.32</slf4j.version>
+        <slf4j.version>2.0.0</slf4j.version>
         <smack.version>4.2.1</smack.version>
         <spring.version>6.0.0-M6</spring.version>
         <spring-security.version>6.0.0-M6</spring-security.version>

spring-ws-support/pom.xml

@@ -117,11 +117,24 @@
 			<scope>test</scope>
 		</dependency>
 
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
 		<dependency>
 			<groupId>com.icegreen</groupId>
 			<artifactId>greenmail</artifactId>
 			<version>${greenmail.version}</version>
 			<scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-api</artifactId>
+                </exclusion>
+            </exclusions>
 		</dependency>
 		<dependency>
 			<groupId>com.icegreen</groupId>