Bump org.slf4j:slf4j-simple from 1.7.5 to 2.0.9 (#108)

* Bump org.slf4j:slf4j-simple from 1.7.5 to 2.0.9

Bumps org.slf4j:slf4j-simple from 1.7.5 to 2.0.9.

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-simple
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update pom.xml

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jhonny Mertz <jhonnymertz@gmail.com>

pom.xml

@@ -44,49 +44,45 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <slf4j-version>2.0.9</slf4j-version>
     </properties>
 
     <dependencies>
-
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
             <version>3.12.0</version>
         </dependency>
-
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
             <version>2.11.0</version>
         </dependency>
-
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.25</version>
+            <version>${slf4j-version}</version>
         </dependency>
 
+        <!-- Testing libraries -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>1.7.5</version>
+            <version>${slf4j-version}</version>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
             <version>4.13.2</version>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>org.apache.pdfbox</groupId>
             <artifactId>pdfbox</artifactId>
             <version>2.0.29</version>
             <scope>test</scope>
         </dependency>
-
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>