build(deps): update dependency org.apache.maven.plugins:maven-shade-plugin to v3.5.1 (#2144)

Author: renovate-bot

gapic-generator-java/pom.xml

@@ -351,7 +351,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-shade-plugin</artifactId>
-        <version>3.4.1</version>
+        <version>3.5.1</version>
         <executions>
           <execution>
             <phase>package</phase>