Bump maven-shade-plugin from 3.3.0 to 3.4.0

Bumps [maven-shade-plugin](https://github.com/apache/maven-shade-plugin) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/apache/maven-shade-plugin/releases)
- [Commits](apache/maven-shade-plugin@maven-shade-plugin-3.3.0...maven-shade-plugin-3.4.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-shade-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

liquibase-dist/pom.xml

@@ -175,7 +175,7 @@
 			<plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.4.0</version>
 				<dependencies>
 					<dependency>
                         <groupId>com.github.marcosemiao.maven.plugins.shade.resource</groupId>

liquibase-extension-testing/pom.xml

@@ -100,7 +100,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.4.0</version>
                 <executions>
                     <execution>
                         <phase>package</phase>

liquibase-maven-plugin/pom.xml

@@ -96,7 +96,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.4.0</version>
                 <configuration>
                     <artifactSet>
                         <includes>