Use versions from BOM

Author: Vlatombe

pom.xml

@@ -49,7 +49,6 @@
     <java.level>8</java.level>
     <jenkins.version>2.263.1</jenkins.version>
     <no-test-jar>false</no-test-jar>
-    <pipeline-model-definition.version>1.7.2</pipeline-model-definition.version>
     <useBeta>true</useBeta>
   </properties>
 
@@ -62,7 +61,6 @@
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>jackson2-api</artifactId>
-      <version>2.12.3</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
@@ -111,13 +109,11 @@
     <dependency> <!-- DeclarativeAgent -->
       <groupId>org.jenkinsci.plugins</groupId>
       <artifactId>pipeline-model-extensions</artifactId>
-      <version>${pipeline-model-definition.version}</version>
       <optional>true</optional>
     </dependency>
     <dependency> <!-- DeclarativeGeneratorTester -->
       <groupId>org.jenkinsci.plugins</groupId>
       <artifactId>pipeline-model-definition</artifactId>
-      <version>${pipeline-model-definition.version}</version>
       <classifier>tests</classifier>
       <scope>test</scope>
     </dependency>
@@ -134,12 +130,10 @@
     <dependency>
       <groupId>io.jenkins.plugins</groupId>
       <artifactId>caffeine-api</artifactId>
-      <version>2.9.1-23.v51c4e2c879c8</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>credentials-binding</artifactId>
-      <version>1.26</version>
     </dependency>
 
     <!-- for testing -->
@@ -167,7 +161,6 @@
     <dependency>
       <groupId>org.jenkinsci.plugins</groupId>
       <artifactId>pipeline-model-definition</artifactId>
-      <version>${pipeline-model-definition.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency> <!-- SnippetizerTest -->
@@ -220,7 +213,6 @@
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>bouncycastle-api</artifactId>
-      <version>2.20</version>
       <scope>test</scope>
     </dependency>
     <dependency>