[MRELEASE-1096] Many cleanups and updates

* Upgrade to SLF4J 1.7.36
* Upgrade to JUnit 4.13.2

In ITs:
* Upgrade to Maven Compiler Plugin 3.10.1
* Upgrade to Maven Invoker Plugin 3.2.2
* Upgrade to Plexus Maven Plugin 1.3.8
* Upgrade to Plexus Component Metadata 1.7.1

This closes #132

Author: nielsbasjes

maven-release-manager/pom.xml

@@ -35,7 +35,7 @@
     <dependency>
       <groupId>org.apache.maven.release</groupId>
       <artifactId>maven-release-api</artifactId>
-      <version>3.0.0-M6-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
 
     <dependency>
@@ -274,18 +274,4 @@
     </plugins>
   </build>
 
-  <profiles>
-    <profile>
-      <id>reporting</id>
-      <reporting>
-        <plugins>
-          <plugin>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-maven-plugin</artifactId>
-            <version>1.3.8</version>
-          </plugin>
-        </plugins>
-      </reporting>
-    </profile>
-  </profiles>
 </project>

maven-release-manager/src/test/resources/pomfinder/pom1.xml

@@ -122,7 +122,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.2</version>
+      <version>${junitVersion}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -193,7 +193,7 @@
       <plugin>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-maven-plugin</artifactId>
-        <version>1.3.8</version>
+        <version>@plexusMavenPluginVersion@</version>
         <executions>
           <execution>
             <id>create-component-descriptor</id>