Bump plexus-utils from 3.3.0 to 3.4.0

Bumps [plexus-utils](https://github.com/codehaus-plexus/plexus-utils) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/codehaus-plexus/plexus-utils/releases)
- [Commits](codehaus-plexus/plexus-utils@plexus-utils-3.3.0...plexus-utils-3.4.0)

---
updated-dependencies:
- dependency-name: org.codehaus.plexus:plexus-utils
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -70,6 +70,7 @@
     <sisu.version>0.3.4</sisu.version>
     <currentVersion>${project.version}</currentVersion>
     <asmVersion>9.2</asmVersion>
+    <slf4j.version>1.7.31</slf4j.version>
     <project.build.outputTimestamp>2021-07-14T11:28:32Z</project.build.outputTimestamp>
   </properties>
 
@@ -148,7 +149,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-utils</artifactId>
-      <version>3.3.0</version>
+      <version>3.4.0</version>
     </dependency>
 
     <!-- DI -->
@@ -175,7 +176,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>
-      <version>1.7.31</version>
+      <version>${slf4j.version}</version>
     </dependency>
     <dependency>
       <groupId>org.ow2.asm</groupId>
@@ -259,7 +260,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.31</version>
+      <version>${slf4j.version}</version>
       <scope>test</scope>
     </dependency>
   </dependencies>