Uses GSON-api plugin rather than the library directly

Author: alecharp

pom.xml

@@ -95,6 +95,10 @@
       <artifactId>configuration-as-code</artifactId>
       <optional>true</optional>
     </dependency>
+    <dependency>
+      <groupId>io.jenkins.plugins</groupId>
+      <artifactId>gson-api</artifactId>
+    </dependency>
     <!-- plugin dependencies -->
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
@@ -106,12 +110,6 @@
       <version>2.35.0</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>com.google.code.gson</groupId>
-      <artifactId>gson</artifactId>
-      <version>2.9.1</version>
-      <scope>test</scope>
-    </dependency>
 
     <!-- test dependencies -->
     <dependency>