fix assembly plugin (#64)

* chore(pom.xml): update liquibase.version from 4.23.2 to 4.24.0 for the main project and snapshot profile
chore(pom.xml): update proguard-maven-plugin.version to 2.6.0 for the main project and snapshot profile
chore(ParentPomTest.java): rename ParTest class to ParentPomTest for better clarity and consistency

* chore(pom.xml): update liquibase-parent-pom version from 0.3.0-SNAPSHOT to 0.2.1-GROOVY-4.0-SNAPSHOT for consistency
chore(pom.xml): update groovy-all.version from 3.0.19 to 4.0.15 for compatibility with other dependencies
chore(pom.xml): update spock-core.version from 2.4-M1-groovy-3.0 to 2.4-M1-groovy-4.0 for compatibility with other dependencies
chore(pom.xml): update spock-reports.version from 2.5.1-groovy-3.0 to 2.5.1-groovy-4.0 for compatibility with other dependencies
chore(pom.xml): update groupId from org.codehaus.groovy to org.apache.groovy for consistency

* chore(pom.xml): update jacoco-maven-plugin version to ${jacoco-maven-plugin.version} for compatibility and bug fixes

* fix(pom.xml): use project.url variable instead of hardcoding the GitHub repository URL for the SCM connection and URL to improve flexibility and maintainability

* chore(pom.xml): update spock-core and spock-reports versions to 2.4-M1-groovy-3.0 and 2.5.1-groovy-3.0 respectively for compatibility with Groovy 3.0
chore(pom.xml): update groovy-all groupId from org.apache.groovy to org.codehaus.groovy for consistency

* chore(pom.xml): update liquibase-parent-pom version from 0.2.1-GROOVY-4.0-SNAPSHOT to 0.2.1-SNAPSHOT for consistency and clarity

* chore(pom.xml): update groovy-all.version from 4.0.15 to 3.0.19 to align with project requirements and dependencies

* chore(pom.xml): update liquibase-parent-pom version from 0.2.1-SNAPSHOT to 0.2.2-SNAPSHOT for bug fixes and improvements
feat(pom.xml): add maven-assembly-plugin version 3.6.0 to enable creating an assembly with dependencies for the S3 Remote Accessor Extension

* chore(pom.xml): update Implementation-Title in manifestEntries to use dynamic value from project.name variable for better maintainability and consistency

* chore(pom.xml): update liquibase-parent-pom version from 0.2.2-SNAPSHOT to 0.2.3-SNAPSHOT for better compatibility and bug fixes
feat(pom.xml): add maven-assembly-plugin to create an executable jar with dependencies for easier deployment and distribution

pom.xml

@@ -4,7 +4,7 @@
     <groupId>org.liquibase</groupId>
     <artifactId>liquibase-parent-pom</artifactId>
     <name>Liquibase Parent POM</name>
-    <version>0.3.0-SNAPSHOT</version>
+    <version>0.2.3-SNAPSHOT</version>
     <description>Liquibase Parent POM for all Extensions</description>
     <url>https://github.com/liquibase/liquibase-parent-pom</url>
     <packaging>pom</packaging>
@@ -304,6 +304,34 @@
             </resource>
         </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <version>${maven-assembly-plugin.version}</version>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Implementation-Title>${project.name}</Implementation-Title>
+                            <Bundle-Vendor>Liquibase</Bundle-Vendor>
+                            <Bundle-Version>${project.version}</Bundle-Version>
+                        </manifestEntries>
+                    </archive>
+                    <appendAssemblyId>false</appendAssemblyId>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                    <finalName>${project.name}-${project.version}</finalName>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>assemble-all</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <artifactId>maven-resources-plugin</artifactId>
                 <version>${maven-resources-plugin.version}</version>