update jackson dependencies to newer versions

Author: wing328

modules/openapi-generator/pom.xml

@@ -433,7 +433,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
-            <version>${jackson.version}</version>
+            <version>${jackson-annotations.version}</version>
         </dependency>
         <dependency>
             <groupId>com.github.joschi.jackson</groupId>

pom.xml

@@ -1241,7 +1241,8 @@
         <guava.version>32.1.3-jre</guava.version>
         <handlebars-java.version>4.3.1</handlebars-java.version>
         <jackson-threetenbp.version>2.18.2</jackson-threetenbp.version>
-        <jackson.version>2.18.2</jackson.version>
+        <jackson.version>2.21.1</jackson.version>
+        <jackson-annotations.version>2.21</jackson-annotations.version>
         <jacoco.version>0.8.12</jacoco.version>
         <jmustache.version>1.16</jmustache.version>
         <junit.version>5.10.2</junit.version>